![[MISSING IMAGE: lg_smartkem-4clr.jpg]](lg_smartkem-4clr.jpg) 
        |  |  |  |  |  | ii |  |  | |
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|  |  |  |  |  | 76 |  |  | |
|  |  |  |  |  | 78 |  |  | |
|  |  |  |  |  | 82 |  |  | |
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|  |  |  |  |  | 84 |  |  | |
|  |  |  |  |  | 84 |  |  | |
|  |  |  |  |  | F-1 |  |  | 
|  |  |  | 
                Year Ended December 31, 
               |  |  | 
                Increase (Decrease) 
               |  | ||||||||||||||||||
| 
                US$000 
               |  |  | 
                2022 
               |  |  | 
                2021 
               |  |  | 
                Amount 
               |  |  | 
                Percentage 
               |  | ||||||||||||
| 
                Revenue 
               |  |  |  | $ | 40 |  |  |  |  | $ | 18 |  |  |  |  | $ | 22 |  |  |  |  |  | 122% |  |  | 
| 
                Cost of revenue 
               |  |  |  |  | 33 |  |  |  |  |  | 8 |  |  |  |  |  | 25 |  |  |  |  |  | 313% |  |  | 
| 
                Gross profit 
               |  |  |  |  | 7 |  |  |  |  |  | 10 |  |  |  |  |  | (3) |  |  |  |  |  | (30)% |  |  | 
| 
                Other operating income 
               |  |  |  |  | 1,172 |  |  |  |  |  | 1,285 |  |  |  |  |  | (113) |  |  |  |  |  | (9)% |  |  | 
| 
                Research and development expenses 
               |  |  |  |  | 5,802 |  |  |  |  |  | 8,199 |  |  |  |  |  | (2,397) |  |  |  |  |  | (29)% |  |  | 
| 
                Selling, general and administrative expenses 
               |  |  |  |  | 5,071 |  |  |  |  |  | 8,069 |  |  |  |  |  | (2,998) |  |  |  |  |  | (37)% |  |  | 
| 
                Transaction expenses 
               |  |  |  |  | — |  |  |  |  |  | 1,329 |  |  |  |  |  | (1,329) |  |  |  |  |  | (100)% |  |  | 
| 
                Total operating expenses 
               |  |  |  |  | 10,873 |  |  |  |  |  | 17,597 |  |  |  |  |  | (6,724) |  |  |  |  |  | (38)% |  |  | 
| 
                Loss from operations 
               |  |  |  | $ | (9,694) |  |  |  |  | $ | (16,302) |  |  |  |  | $ | 6,608 |  |  |  |  |  | (41)% |  |  | 
|  |  |  | 
                Year Ended December 31, 
               |  |  | 
                Increase (Decrease) 
               |  |  | 
                % of total 
               |  |  | 
                % of total 
               |  | ||||||||||||||||||||||||
| 
                US$000 
               |  |  | 
                2022 
               |  |  | 
                2021 
               |  |  | 
                Amount 
               |  |  | 
                Percentage 
               |  |  | 
                2022 
               |  |  | 
                2021 
               |  | ||||||||||||||||||
| 
                Research & development tax credit 
               |  |  |  | $ | 1,168 |  |  |  |  | $ | 1,095 |  |  |  |  | $ | 73 |  |  |  |  |  | 7% |  |  |  |  |  | 100% |  |  |  |  |  | 85% |  |  | 
| 
                Research & development grants 
               |  |  |  |  | — |  |  |  |  |  | 181 |  |  |  |  |  | (181) |  |  |  |  |  | (100)% |  |  |  |  |  | 0% |  |  |  |  |  | 14% |  |  | 
| 
                Sale of fixed assets 
               |  |  |  |  | 4 |  |  |  |  |  | — |  |  |  |  |  | 4 |  |  |  |  |  | 100% |  |  |  |  |  | 0% |  |  |  |  |  | 0% |  |  | 
| 
                Other grants 
               |  |  |  |  | — |  |  |  |  |  | 9 |  |  |  |  |  | (9) |  |  |  |  |  | (100)% |  |  |  |  |  | 0% |  |  |  |  |  | 1% |  |  | 
| 
                Total other operating income 
               |  |  |  | $ | 1,172 |  |  |  |  | $ | 1,285 |  |  |  |  | $ | (113) |  |  |  |  |  | (9)% |  |  |  |  |  | 100% |  |  |  |  |  | 100% |  |  | 
|  |  |  | 
                Year Ended December 31, 
               |  |  | 
                Increase (Decrease) 
               |  |  | 
                % of total 
               |  |  | 
                % of total 
               |  | ||||||||||||||||||||||||
| 
                US$000 
               |  |  | 
                2022 
               |  |  | 
                2021 
               |  |  | 
                Amount 
               |  |  | 
                Percentage 
               |  |  | 
                2022 
               |  |  | 
                2021 
               |  | ||||||||||||||||||
| 
                Research and development 
               |  |  |  | $ | 5,802 |  |  |  |  | $ | 8,199 |  |  |  |  | $ | (2,397) |  |  |  |  |  | (29)% |  |  |  |  |  | 53% |  |  |  |  |  | 47% |  |  | 
| 
                Selling, general and administrative 
               |  |  |  |  | 5,071 |  |  |  |  |  | 8,069 |  |  |  |  |  | (2,998) |  |  |  |  |  | (37)% |  |  |  |  |  | 47% |  |  |  |  |  | 46% |  |  | 
| 
                Transaction expenses 
               |  |  |  |  | — |  |  |  |  |  | 1,329 |  |  |  |  |  | (1,329) |  |  |  |  |  | (100)% |  |  |  |  |  | 0% |  |  |  |  |  | 7% |  |  | 
| 
                Total operating expenses 
               |  |  |  | $ | 10,873 |  |  |  |  | $ | 17,597 |  |  |  |  | $ | (6,724) |  |  |  |  |  | (38)% |  |  |  |  |  | 100% |  |  |  |  |  | 100% |  |  | 
|  |  |  | 
                Year Ended December 31, 
               |  |  | 
                (Increase) Decrease 
               |  | ||||||||||||||||||
| 
                US$000 
               |  |  | 
                2022 
               |  |  | 
                2021 
               |  |  | 
                Amount 
               |  |  | 
                Percentage 
               |  | ||||||||||||
| 
                Loss from operations 
               |  |  |  | $ | (9,694) |  |  |  |  | $ | (16,302) |  |  |  |  | $ | 6,608 |  |  |  |  |  | (41)% |  |  | 
| Non-operating (expense)/income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Loss on foreign currency transactions 
               |  |  |  |  | (1,782) |  |  |  |  |  | (808) |  |  |  |  |  | (974) |  |  |  |  |  | 121% |  |  | 
| 
                Interest expense 
               |  |  |  |  | — |  |  |  |  |  | (19) |  |  |  |  |  | 19 |  |  |  |  |  | (100)% |  |  | 
| 
                Interest income 
               |  |  |  |  | 5 |  |  |  |  |  | 3 |  |  |  |  |  | 2 |  |  |  |  |  | 67% |  |  | 
| 
                Total non-operating expense 
               |  |  |  |  | (1,777) |  |  |  |  |  | (824) |  |  |  |  |  | (953) |  |  |  |  |  | 116% |  |  | 
| 
                Loss before income taxes 
               |  |  |  |  | (11,471) |  |  |  |  |  | (17,126) |  |  |  |  |  | 5,655 |  |  |  |  |  | (33)% |  |  | 
| 
                Income tax expense 
               |  |  |  |  | (24) |  |  |  |  |  | — |  |  |  |  |  | (24) |  |  |  |  |  | — |  |  | 
| 
                Net loss 
               |  |  |  | $ | (11,495) |  |  |  |  | $ | (17,126) |  |  |  |  | $ | 5,631 |  |  |  |  |  | (33)% |  |  | 
|  |  |  | 
                Year Ended December 31, 
               |  |  | 
                Increase (Decrease) 
               |  | ||||||||||||||||||
| 
                US$000 
               |  |  | 
                2022 
               |  |  | 
                2021 
               |  |  | 
                Amount 
               |  |  | 
                Percentage 
               |  | ||||||||||||
| 
                Net cash used in operating activities 
               |  |  |  | $ | (9,049) |  |  |  |  | $ | (9,728) |  |  |  |  | $ | 679 |  |  |  |  |  | (7)% |  |  | 
| 
                Net cash used by investing activities 
               |  |  |  |  | (79) |  |  |  |  |  | (341) |  |  |  |  |  | 262 |  |  |  |  |  | (77)% |  |  | 
| 
                Net cash provided by financing activities 
               |  |  |  |  | 1,830 |  |  |  |  |  | 22,204 |  |  |  |  |  | (20,374) |  |  |  |  |  | (92)% |  |  | 
| 
                Effect of exchange rate changes on cash 
               |  |  |  |  | (693) |  |  |  |  |  | (673) |  |  |  |  |  | (20) |  |  |  |  |  | 3% |  |  | 
| 
                Net change in cash 
               |  |  |  |  | (7,991) |  |  |  |  |  | 11,462 |  |  |  |  |  | (19,453) |  |  |  |  |  | (170)% |  |  | 
| 
                Cash, beginning of year 
               |  |  |  |  | 12,226 |  |  |  |  |  | 764 |  |  |  |  |  | 11,462 |  |  |  |  |  | 1,500% |  |  | 
| 
                Cash, end of year 
               |  |  |  | $ | 4,235 |  |  |  |  | $ | 12,226 |  |  |  |  | $ | (7,991) |  |  |  |  |  | (65)% |  |  | 
|  |  |  | 
                Payments Due by Period 
               |  | |||||||||||||||||||||
| 
                US$(000) 
               |  |  | 
                2023 
               |  |  | 
                2024 
               |  |  | 
                2025 
               |  |  | 
                Total 
               |  | ||||||||||||
| 
                Operating lease liabilities 
               |  |  |  | $ | 234 |  |  |  |  | $ | 234 |  |  |  |  | $ | 19 |  |  |  |  | $ | 487 |  |  | 
| 
                Purchase obligations 
               |  |  |  |  | 613 |  |  |  |  |  | 68 |  |  |  |  |  | — |  |  |  |  |  | 681 |  |  | 
|  |  |  |  | $ | 847 |  |  |  |  | $ | 302 |  |  |  |  | $ | 19 |  |  |  |  | $ | 1,168 |  |  | 
| 
                Name 
               |  |  | 
                Position 
               |  |  | 
                Age 
               |  | 
| Ian Jenks |  |  | Chairman of the Board, Chief Executive Officer and President |  |  | 
                68 
               |  | 
| Barbra C. Keck |  |  | Chief Financial Officer and Director |  |  | 
                45 
               |  | 
| Beverley Brown, Ph.D. |  |  | Chief Scientist |  |  | 
                61 
               |  | 
| Simon Ogier, Ph.D. |  |  | Chief Technology Officer |  |  | 
                48 
               |  | 
| Klaas de Boer(1)(2) (3) |  |  | Director |  |  | 
                57 
               |  | 
| Steven DenBaars, Ph.D.(1)(2) (3) |  |  | Director |  |  | 
                60
               |  | 
| 
                Officer Name and Principle Position 
               |  |  | 
                Year 
               |  |  | 
                Salary 
               |  |  | 
                Bonus 
               |  |  | 
                Option
                 Awards(1) |  |  | 
                All Other
                 Compensation(2) |  |  | 
                Total 
               |  | ||||||||||||||||||
|  |  |  |  |  |  |  |  |  | 
                $ 
               |  |  | 
                $ 
               |  |  | 
                $ 
               |  |  | 
                $ 
               |  |  | 
                $ 
               |  | |||||||||||||||
| 
                Ian Jenks 
                 Chief Executive Officer |  |  |  |  | 2022 |  |  |  |  |  | 313,500 |  |  |  |  |  | 76,500 |  |  |  |  |  | 156,840 |  |  |  |  |  | 22,093 |  |  |  |  |  | 568,933 |  |  | 
|  |  |  | 2021 |  |  |  |  |  | 294,379 |  |  |  |  |  | 179,881 |  |  |  |  |  | 611,775 |  |  |  |  |  | 20,787 |  |  |  |  |  | 1,106,822 |  |  | ||
| 
                Beverly Brown(3) 
                 Chief Scientist |  |  |  |  | 2022 |  |  |  |  |  | 217,163 |  |  |  |  |  | 41,053 |  |  |  |  |  | 47,052 |  |  |  |  |  | — |  |  |  |  |  | 305,268 |  |  | 
|  |  |  | 2021 |  |  |  |  |  | 236,101 |  |  |  |  |  | 74,321 |  |  |  |  |  | 543,617 |  |  |  |  |  | — |  |  |  |  |  | 854,039 |  |  | ||
| 
                Simon Ogier 
                 Chief Technology Officer |  |  |  |  | 2022 |  |  |  |  |  | 165,051 |  |  |  |  |  | 60,575 |  |  |  |  |  | 191,180 |  |  |  |  |  | 12,033 |  |  |  |  |  | 428,838 |  |  | 
|  |  |  | 2021 |  |  |  |  |  | 163,790 |  |  |  |  |  | 20,474 |  |  |  |  |  | — |  |  |  |  |  | 9,830 |  |  |  |  |  | 194,094 |  |  | ||
|  |  |  |  |  |  |  |  |  |  |  |  | 
                Option Awards 
               |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||
|  |  |  |  |  |  |  |  |  |  |  |  | 
                Number of Securities Underlying
                 Unexercised Options (#) |  |  | 
                Option
                 Exercise Price ($) |  |  | 
                Option
                 Expiration Date(1) |  | |||||||||||||||
| 
                Name 
               |  |  | 
                Grant Date 
               |  |  | 
                Type 
               |  |  | 
                Exercisable 
               |  |  | 
                Unexercisable 
               |  | |||||||||||||||||||||
| 
                Ian Jenks 
               |  |  |  |  | 3/31/2021 |  |  |  | 
                ISO 
               |  |  |  |  | 261,241 |  |  |  |  |  | 335,884 |  |  |  |  | $ | 2.00 |  |  |  |  |  | 3/31/2031 |  |  | 
|  |  |  |  |  | 07/08/2022 |  |  |  | 
                ISO 
               |  |  |  |  | — |  |  |  |  |  | 150,000 |  |  |  |  | $ | 2.00 |  |  |  |  |  | 07/08/2032 |  |  | 
| 
                Beverly Brown(2)
               |  |  |  |  | 2/23/2021 |  |  |  | 
                NQSO 
               |  |  |  |  | 178,086 |  |  |  |  |  | — |  |  |  |  | $ | 0.001 |  |  |  |  |  | 2/23/2031 |  |  | 
|  |  |  |  |  | 3/31/2021 |  |  |  | 
                ISO 
               |  |  |  |  | 81,633 |  |  |  |  |  | 104,968 |  |  |  |  | $ | 2.00 |  |  |  |  |  | 3/31/2031 |  |  | 
|  |  |  |  |  | 07/08/2022 |  |  |  | 
                NQSO 
               |  |  |  |  | — |  |  |  |  |  | 45,000 |  |  |  |  | $ | 2.00 |  |  |  |  |  | 07/08/2032 |  |  | 
| 
                Simon Ogier 
               |  |  |  |  | 3/31/2021 |  |  |  | 
                EMI 
               |  |  |  |  | 81,633 |  |  |  |  |  | 104,969 |  |  |  |  | $ | 2.00 |  |  |  |  |  | 3/31/2031 |  |  | 
|  |  |  |  |  | 07/08/2022 |  |  |  | 
                NQSO 
               |  |  |  |  | — |  |  |  |  |  | 45,000 |  |  |  |  | $ | 2.00 |  |  |  |  |  | 07/08/2032 |  |  | 
| 
                Director Name 
               |  |  | 
                Year 
               |  |  | 
                Cash
                 Compensation |  |  | 
                Stock Option
                 Awards(1) |  |  | 
                All Other
                 Compensation |  |  | 
                Total 
               |  | |||||||||||||||
|  |  |  |  |  |  |  |  |  | 
                $ 
               |  |  | 
                $ 
               |  |  | 
                $ 
               |  |  | 
                $ 
               |  | ||||||||||||
| 
                Barbra Keck(2)
               |  |  |  |  | 2022 |  |  |  |  |  | 34,239(3) |  |  |  |  |  | 6,274 |  |  |  |  |  | —(4) |  |  |  |  |  | 40,513 |  |  | 
| 
                Klaas de Boer(5)
               |  |  |  |  | 2022 |  |  |  |  |  | 36,000 |  |  |  |  |  | 6,274 |  |  |  |  |  | — |  |  |  |  |  | 42,274 |  |  | 
| 
                Steven DenBaars(6)
               |  |  |  |  | 2022 |  |  |  |  |  | 18,000 |  |  |  |  |  | 18,821 |  |  |  |  |  | — |  |  |  |  |  | 36,821 |  |  | 
| 
                Simon King(7)
               |  |  |  |  | 2022 |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Name 
               |  |  | 
                Principal Amount 
                 Purchased |  | |||
| 
                Octopus Titan VCT plc 
               |  |  |  | $ | 2,537,000 |  |  | 
| 
                Entrepreneurs Fund LP 
               |  |  |  | $ | 951,000 |  |  | 
|  |  |  | 
                Transaction 
               |  |  | 
                Consideration 
               |  |  | 
                Equity issue 
               |  | 
| 
                Octopus Titan VCT 
               |  |  | 
                Loan conversion 
               |  |  | $5,876,000 |  |  | 
                344,932,672 A ordinary shares 
               |  | 
| 
                Octopus Titan VCT 
               |  |  | 
                Investment 
               |  |  | $4,074,000 |  |  | 
                191,346,155 A ordinary shares 
               |  | 
| 
                Entrepreneurs Fund LP 
               |  |  | 
                Loan conversion 
               |  |  | $4,200,000 |  |  | 
                246,551,742 A ordinary shares 
               |  | 
| 
                Entrepreneurs Fund LP 
               |  |  | 
                Investment 
               |  |  | $682,000 |  |  | 
                32,051,282 A ordinary shares
               |  | 
| 
                Name of Beneficial Owner 
               |  |  | 
                Shares
                 Beneficially Owned (#) |  |  | 
                Percentage
                 Beneficially Owned (%) |  | ||||||
| 5% Stockholders: |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Octopus Investments Limited, 33 Holborn, London EC1N 2HT(1)
               |  |  |  |  | 7,476,028 |  |  |  |  |  | 27.7% |  |  | 
| 
                Entrepreneurs Fund LP, 2nd Floor, Windward House, La Route de la Liberation,
                 St Helier, Jersey, JE2 3BQ, The Channel Islands(2) |  |  |  |  | 3,585,252 |  |  |  |  |  | 13.3% |  |  | 
| 
                Orin Hirschman, 6006 Berkeley Ave., Baltimore, MD 21209(3)
               |  |  |  |  | 2,532,500 |  |  |  |  |  | 9.4% |  |  | 
| 
                Mark Tompkins Apt. 1, Via Guidino 23, 6900 Lugano-Paradiso Switzerland 
               |  |  |  |  | 2,292,162 |  |  |  |  |  | 8.5% |  |  | 
| Named Executive Officers and Directors: |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Ian Jenks(4)
               |  |  |  |  | 957,323 |  |  |  |  |  | 3.5% |  |  | 
| 
                Barbra C. Keck(5)
               |  |  |  |  | 9,750 |  |  |  |  |  | *% |  |  | 
| 
                Beverley Brown(6)
               |  |  |  |  | 299,164 |  |  |  |  |  | 1.1% |  |  | 
| 
                Simon Ogier(7)
               |  |  |  |  | 299,163 |  |  |  |  |  | 1.1% |  |  | 
| 
                Klaas de Boer(8)
               |  |  |  |  | 209,750 |  |  |  |  |  | *% |  |  | 
| 
                Steven DenBaars 
               |  |  |  |  | 25,000 |  |  |  |  |  | *% |  |  | 
| 
                All directors and current executive officers as a group (6 persons) 
               |  |  |  |  | 1,800,150 |  |  |  |  |  | 6.7% |  |  | 
| 
                Plan category 
               |  |  | 
                Number of securities
                 to be issued upon exercise of outstanding options, warrants and rights (a) |  |  | 
                Weighted average
                 exercise price of outstanding options, warrants and rights (b) |  |  | 
                Number of securities
                 remaining available for future issuance under equity compensation plans (excluding securities reflected in column a) c)(2) |  | |||||||||
| 
                Equity compensation plans approved by security holders(1)
               |  |  |  |  | 2,829,756 |  |  |  |  | $ | 1.81 |  |  |  |  |  | 447,607 |  |  | 
| 
                Equity compensation plans not approved by security holders 
               |  |  |  |  | — |  |  |  |  | $ | — |  |  |  |  |  | — |  |  | 
| 
                Total 
               |  |  |  |  | 2,829,756 |  |  |  |  | $ | 1.81 |  |  |  |  |  | 447,607 |  |  | 
| 
                Name of Selling Stockholder 
               |  |  | 
                Shares
                 Beneficially Owned prior to Offering |  |  | 
                Shares
                 Offered by this Prospectus |  |  | 
                Shares
                 Beneficially Owned after Offering |  |  | 
                Percentage of
                 Shares Beneficially Owned after Offering(1) |  | ||||||||||||
| 
                Octopus Titan VCT Plc(2)
               |  |  |  |  | 7,416,307 |  |  |  |  |  | 7,416,307 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Octopus Investments Nominees Limited(2)
               |  |  |  |  | 59,721 |  |  |  |  |  | 59,721 |  |  |  |  |  | — |  |  |  |  |  | * |  |  | 
| 
                Entrepreneurs Fund LP(3)
               |  |  |  |  | 3,585,252 |  |  |  |  |  | 3,585,252 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                AIGH Investment Partners, LP(4)
               |  |  |  |  | 1,592,100 |  |  |  |  |  | 3,060,000(5) |  |  |  |  |  | 100 |  |  |  |  |  | * |  |  | 
| 
                WVP Emerging Manager Onshore Fund, LLC – AIGH Series(4)
               |  |  |  |  | 709,900 |  |  |  |  |  | 708,000 |  |  |  |  |  | 1,900 |  |  |  |  |  | * |  |  | 
| 
                WVP Emerging Manager Onshore Fund, LLC – Optimized Equity Series(4)
               |  |  |  |  | 230,500 |  |  |  |  |  | 230,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                AIGH Investment Partners, LLC(4)
               |  |  |  |  | — |  |  |  |  |  | 662,500(6) |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                HLH Holdings LLC(4)
               |  |  |  |  | — |  |  |  |  |  | 25,000(7) |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Woodcourt Capital LLC(4)
               |  |  |  |  | — |  |  |  |  |  | 12,500(8) |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Mark Tompkins(9)
               |  |  |  |  | 2,300,000 |  |  |  |  |  | 2,300,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                The Hewlett Fund LP(10)
               |  |  |  |  | 1,250,000 |  |  |  |  |  | 1,250,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Seventh Avenue Investments LLC(11)
               |  |  |  |  | 725,000 |  |  |  |  |  | 725,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Ian Jenks(12)
               |  |  |  |  | 957,323 |  |  |  |  |  | 633,880 |  |  |  |  |  | 323,443(13) |  |  |  |  |  | * |  |  | 
| 
                BASF Venture Capital GmbH(14)
               |  |  |  |  | 629,074 |  |  |  |  |  | 629,074 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                The Peierls Foundation, Inc.(15)
               |  |  |  |  | 497,000 |  |  |  |  |  | 497,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Eric Rubenstein 
               |  |  |  |  | 419,394 |  |  |  |  |  | 419,394(16) |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                David Landskowsky 
               |  |  |  |  | 419,394 |  |  |  |  |  | 419,394(16) |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Park City Cap Offshore Master LTD(17)
               |  |  |  |  | 375,000 |  |  |  |  |  | 375,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Waterproof Partnership, LTD(18)
               |  |  |  |  | 375,000 |  |  |  |  |  | 375,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Globis Capital(19)
               |  |  |  |  | 375,000 |  |  |  |  |  | 375,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                ACNYC, LLC(20)
               |  |  |  |  | 250,000 |  |  |  |  |  | 250,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                R. Douglas Rivers 
               |  |  |  |  | 250,000 |  |  |  |  |  | 250,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Name of Selling Stockholder 
               |  |  | 
                Shares
                 Beneficially Owned prior to Offering |  |  | 
                Shares
                 Offered by this Prospectus |  |  | 
                Shares
                 Beneficially Owned after Offering |  |  | 
                Percentage of
                 Shares Beneficially Owned after Offering(1) |  | ||||||||||||
| 
                Charles Alpert 
               |  |  |  |  | 250,000 |  |  |  |  |  | 250,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Yaacov Bodner 
               |  |  |  |  | 249,500 |  |  |  |  |  | 249,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Anne Berrien Wyman de Boer(21)
               |  |  |  |  | 200,000 |  |  |  |  |  | 200,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Ian Jacobs(22)
               |  |  |  |  | 200,000 |  |  |  |  |  | 200,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Simon Ogier(23)
               |  |  |  |  | 299,163 |  |  |  |  |  | 198,087 |  |  |  |  |  | 101,076(24) |  |  |  |  |  | * |  |  | 
| 
                Steven Kelly 
               |  |  |  |  | 174,106 |  |  |  |  |  | 174,106 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                SAGE Brakeman, LLC(25)
               |  |  |  |  | 150,000 |  |  |  |  |  | 150,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Maurice Iudicone 
               |  |  |  |  | 125,000 |  |  |  |  |  | 125,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Swadesh Fam Trust(26)
               |  |  |  |  | 125,000 |  |  |  |  |  | 125,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Fame Associates(27)
               |  |  |  |  | 125,000 |  |  |  |  |  | 125,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                AME Capital Group, LLC(28)
               |  |  |  |  | 125,000 |  |  |  |  |  | 125,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Mel Mac Alt LLC(29)
               |  |  |  |  | 125,000 |  |  |  |  |  | 125,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Robert Bahns 
               |  |  |  |  | 179,073 |  |  |  |  |  | 118,852 |  |  |  |  |  | 60,221(30) |  |  |  |  |  | * |  |  | 
| 
                Jogchum Brinksma 
               |  |  |  |  | 102,010 |  |  |  |  |  | 102,010 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                DBW Investments (6) Limited(31)
               |  |  |  |  | 100,964 |  |  |  |  |  | 100,964 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                A.K.S. FAMILY PARTNERS, LP(32)
               |  |  |  |  | 99,000 |  |  |  |  |  | 99,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                E. Jeffrey Peierls 
               |  |  |  |  | 80,000 |  |  |  |  |  | 80,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Mazel D&K(33)
               |  |  |  |  | 75,000 |  |  |  |  |  | 75,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Clay Lebhar 
               |  |  |  |  | 75,000 |  |  |  |  |  | 75,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Chesed Avraham 
               |  |  |  |  | 75,000 |  |  |  |  |  | 75,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Mustafa Ozgen 
               |  |  |  |  | 74,014 |  |  |  |  |  | 74,014 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Albert Pezone 
               |  |  |  |  | 68,987 |  |  |  |  |  | 68,987(16) |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Brian Eliot Peierls 
               |  |  |  |  | 65,000 |  |  |  |  |  | 65,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Rajan Dosanjh 
               |  |  |  |  | 50,000 |  |  |  |  |  | 50,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Mark Breen Rev Trust(34)
               |  |  |  |  | 50,000 |  |  |  |  |  | 50,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Adolfo and Donna Carmona 
               |  |  |  |  | 50,000 |  |  |  |  |  | 50,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Coover Living Rev Trust(35)
               |  |  |  |  | 50,000 |  |  |  |  |  | 50,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Five Plus Investments(36)
               |  |  |  |  | 50,000 |  |  |  |  |  | 50,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Andrew & Melissa Fisher 
               |  |  |  |  | 50,000 |  |  |  |  |  | 50,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Matthew Headington 
               |  |  |  |  | 50,000 |  |  |  |  |  | 50,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Joseph L. & Frances L. Simek Family Investments, Ltd.(37)
               |  |  |  |  | 50,000 |  |  |  |  |  | 50,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Todd Harrigan 
               |  |  |  |  | 46,403 |  |  |  |  |  | 46,403(16) |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Henry Dixon 
               |  |  |  |  | 45,511 |  |  |  |  |  | 45,511 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Alastair John Baker 
               |  |  |  |  | 41,488 |  |  |  |  |  | 41,488 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Richard Ian Smith 
               |  |  |  |  | 40,342 |  |  |  |  |  | 40,342 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                UD J.N. Peierls for Brian Eliot Peierls(38)
               |  |  |  |  | 40,000 |  |  |  |  |  | 40,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                UD J.N. Peierls for E. Jeffrey Peierls(38)
               |  |  |  |  | 40,000 |  |  |  |  |  | 40,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                UW J.N. Peierls for Brian E. Peierls(38)
               |  |  |  |  | 40,000 |  |  |  |  |  | 40,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                UW J.N. Peierls for E. Jeffrey Peierls(38)
               |  |  |  |  | 40,000 |  |  |  |  |  | 40,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Name of Selling Stockholder 
               |  |  | 
                Shares
                 Beneficially Owned prior to Offering |  |  | 
                Shares
                 Offered by this Prospectus |  |  | 
                Shares
                 Beneficially Owned after Offering |  |  | 
                Percentage of
                 Shares Beneficially Owned after Offering(1) |  | ||||||||||||
| 
                UD Ethel F. Peierls Charitable Lead Trust(38)
               |  |  |  |  | 40,000 |  |  |  |  |  | 40,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Eliezer Lubitch 
               |  |  |  |  | 37,500 |  |  |  |  |  | 37,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Jeffrey McMahon 
               |  |  |  |  | 37,500 |  |  |  |  |  | 37,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Daniel Michael 
               |  |  |  |  | 37,500 |  |  |  |  |  | 37,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                John V. Wagner Jr 
               |  |  |  |  | 37,500 |  |  |  |  |  | 37,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Hershel Berkowitz 
               |  |  |  |  | 37,500 |  |  |  |  |  | 37,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                MPS Equity Group LLC(39)
               |  |  |  |  | 36,250 |  |  |  |  |  | 36,250 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                UD E.F. Peierls for Brian E. Peierls(38)
               |  |  |  |  | 35,500 |  |  |  |  |  | 35,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                UD E.F. Peierls for E. Jeffrey Peierls(38)
               |  |  |  |  | 35,500 |  |  |  |  |  | 35,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                UW E.S. Peierls for Brian E. Peierls – Accumulation(38)
               |  |  |  |  | 32,000 |  |  |  |  |  | 32,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                DBW Investments (5) Limited(40)
               |  |  |  |  | 26,508 |  |  |  |  |  | 26,508 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Graham Ballantyne 
               |  |  |  |  | 26,412 |  |  |  |  |  | 26,412 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Rueon Boorman 
               |  |  |  |  | 26,412 |  |  |  |  |  | 26,412 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Alejandro Carreras 
               |  |  |  |  | 26,412 |  |  |  |  |  | 26,412 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                John Morgan 
               |  |  |  |  | 26,412 |  |  |  |  |  | 26,412 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Daniel Sharkey 
               |  |  |  |  | 26,412 |  |  |  |  |  | 26,412 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Colin Watson 
               |  |  |  |  | 26,412 |  |  |  |  |  | 26,412 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Stephen Whitelegg 
               |  |  |  |  | 26,412 |  |  |  |  |  | 26,412 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Northlea Partners LLLP(41)
               |  |  |  |  | 25,000 |  |  |  |  |  | 25,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Jeffery Atkin 
               |  |  |  |  | 25,000 |  |  |  |  |  | 25,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                DeLoach LS Investments LLC(42)
               |  |  |  |  | 25,000 |  |  |  |  |  | 25,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Steven DenBaars(43)
               |  |  |  |  | 25,000 |  |  |  |  |  | 25,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                James Dritz 
               |  |  |  |  | 25,000 |  |  |  |  |  | 25,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Kirby Frank 
               |  |  |  |  | 25,000 |  |  |  |  |  | 25,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                David Ishag 
               |  |  |  |  | 25,000 |  |  |  |  |  | 25,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Richard & Mary Leslie Kingston 
               |  |  |  |  | 25,000 |  |  |  |  |  | 25,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Stephen Mut 
               |  |  |  |  | 25,000 |  |  |  |  |  | 25,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                John Pescitelli 
               |  |  |  |  | 25,000 |  |  |  |  |  | 25,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Jeffrey Shealy 
               |  |  |  |  | 25,000 |  |  |  |  |  | 25,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                David & Sharon Weiss 
               |  |  |  |  | 25,000 |  |  |  |  |  | 25,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                MITZ ZHU YAN, LP(44)
               |  |  |  |  | 25,000 |  |  |  |  |  | 25,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Gubbay Investments LLC(45)
               |  |  |  |  | 22,500 |  |  |  |  |  | 22,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                B Brown Consultants Ltd(46)
               |  |  |  |  | 20,002 |  |  |  |  |  | 20,002 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Andrew Horan 
               |  |  |  |  | 20,000 |  |  |  |  |  | 20,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                UD E.S. Peierls for E.F. Peierls et al(38)
               |  |  |  |  | 20,000 |  |  |  |  |  | 20,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                UW E.S. Peierls for E. Jeffrey Peierls − Accumulation(38)
               |  |  |  |  | 20,000 |  |  |  |  |  | 20,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Colette Shaw 
               |  |  |  |  | 19,809 |  |  |  |  |  | 19,809 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Timothy Herrmann 
               |  |  |  |  | 15,745 |  |  |  |  |  | 15,745(16) |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Basil Palmeri 
               |  |  |  |  | 15,000 |  |  |  |  |  | 15,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Name of Selling Stockholder 
               |  |  | 
                Shares
                 Beneficially Owned prior to Offering |  |  | 
                Shares
                 Offered by this Prospectus |  |  | 
                Shares
                 Beneficially Owned after Offering |  |  | 
                Percentage of
                 Shares Beneficially Owned after Offering(1) |  | ||||||||||||
| 
                Nirav Parikh 
               |  |  |  |  | 15,000 |  |  |  |  |  | 15,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                The Peierls Bypass Trust(38)
               |  |  |  |  | 15,000 |  |  |  |  |  | 15,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Catherine Ainsworth 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Andrew Baker 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Jordan Brannick 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Raymond Catherall 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Andrew Dennison 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                David Devonald 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Oliver Holmes 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Kay Jobson 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Josy Joy 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Rodney Leadbitter 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Ian Lowman 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Keith Lumbard 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Charles Orizu 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Prakash Patel 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Daniel Pillow 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Neil Remmer 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Nathan Stewart 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Neil Thompson 
               |  |  |  |  | 13,206 |  |  |  |  |  | 13,206 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Due Mondi Investments(47)
               |  |  |  |  | 12,500 |  |  |  |  |  | 12,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Frederick B. Epstein 
               |  |  |  |  | 12,500 |  |  |  |  |  | 12,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Suresh Patel 
               |  |  |  |  | 12,500 |  |  |  |  |  | 12,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Jamie Polak 
               |  |  |  |  | 12,500 |  |  |  |  |  | 12,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                David Rarey 
               |  |  |  |  | 12,500 |  |  |  |  |  | 12,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                The Glen Sato & Hope G. Nakamura Trust dtd 11/01/01(48)
               |  |  |  |  | 12,500 |  |  |  |  |  | 12,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Donald Sesterhenn 
               |  |  |  |  | 12,500 |  |  |  |  |  | 12,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Barry Shemaria 
               |  |  |  |  | 11,940 |  |  |  |  |  | 11,940 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Casimir Skrzypzak 
               |  |  |  |  | 12,500 |  |  |  |  |  | 12,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                The Steven and Kaye Yost Family Trust dtd 2/7/92(49)
               |  |  |  |  | 10,094 |  |  |  |  |  | 10,094 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Kathleen Levinstim 
               |  |  |  |  | 12,500 |  |  |  |  |  | 12,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                N. Michael Wolsonovich, Jr 
               |  |  |  |  | 12,500 |  |  |  |  |  | 12,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Thomas A. Sepenzis 
               |  |  |  |  | 12,500 |  |  |  |  |  | 12,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                FBE Management Inc Retirement Trust(50)
               |  |  |  |  | 12,500 |  |  |  |  |  | 12,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Yehoshua Leib Fruchthandler 
               |  |  |  |  | 12,500 |  |  |  |  |  | 12,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Jake Arjang 
               |  |  |  |  | 12,500 |  |  |  |  |  | 12,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Jack Bojman 
               |  |  |  |  | 12,500 |  |  |  |  |  | 12,500 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Fischhoff, Brian & Andrea 
               |  |  |  |  | 10,000 |  |  |  |  |  | 10,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Yosef Reuven Leizerson 
               |  |  |  |  | 10,000 |  |  |  |  |  | 10,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Name of Selling Stockholder 
               |  |  | 
                Shares
                 Beneficially Owned prior to Offering |  |  | 
                Shares
                 Offered by this Prospectus |  |  | 
                Shares
                 Beneficially Owned after Offering |  |  | 
                Percentage of
                 Shares Beneficially Owned after Offering(1) |  | ||||||||||||
| 
                Bizdevos Ltd 
               |  |  |  |  | 9,252 |  |  |  |  |  | 9,252 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Sydney Nelson 
               |  |  |  |  | 9,166 |  |  |  |  |  | 9,166(16) |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Aaron Segal 
               |  |  |  |  | 6,444 |  |  |  |  |  | 6,444(16) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Isaac Fruchthandler 
               |  |  |  |  | 6,250 |  |  |  |  |  | 6,250 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Shawn Pobiner 
               |  |  |  |  | 5,000 |  |  |  |  |  | 5,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Gabriel Feder 
               |  |  |  |  | 5,000 |  |  |  |  |  | 5,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Yitzchok Fruchthandler 
               |  |  |  |  | 5,000 |  |  |  |  |  | 5,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Abraham Goldstein 
               |  |  |  |  | 5,000 |  |  |  |  |  | 5,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Alon Avnon 
               |  |  |  |  | 2,812 |  |  |  |  |  | 2,812 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Richard Harvey 
               |  |  |  |  | 1,893 |  |  |  |  |  | 1,893 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Jane Stacey 
               |  |  |  |  | 1,399 |  |  |  |  |  | 1,399 |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
|  |  |  | 
                Page 
               |  | |||
|  |  |  |  | F-2 |  |  | |
|  |  |  |  | F-3 |  |  | |
|  |  |  |  | F-4 |  |  | |
|  |  |  |  | F-5 |  |  | |
|  |  |  |  | F-6 |  |  | |
|  |  |  |  | F-7 |  |  | |
|  |  |  | 
                December 31,
                 2022 |  |  | 
                December 31,
                 2021 |  | ||||||
| Assets |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Current assets |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Cash and cash equivalents 
               |  |  |  | $ | 4,235 |  |  |  |  | $ | 12,226 |  |  | 
| 
                Accounts receivable, net 
               |  |  |  |  | 30 |  |  |  |  |  | — |  |  | 
| 
                Research and development tax credit receivable 
               |  |  |  |  | 1,121 |  |  |  |  |  | 1,070 |  |  | 
| 
                Prepaid expenses and other current assets 
               |  |  |  |  | 1,056 |  |  |  |  |  | 802 |  |  | 
| 
                Total current assets 
               |  |  |  |  | 6,442 |  |  |  |  |  | 14,098 |  |  | 
| 
                Property, plant and equipment, net 
               |  |  |  |  | 602 |  |  |  |  |  | 802 |  |  | 
| 
                Right-of-use assets, net 
               |  |  |  |  | 475 |  |  |  |  |  | 154 |  |  | 
| 
                Other assets, non-current 
               |  |  |  |  | 6 |  |  |  |  |  | 6 |  |  | 
| 
                Total assets 
               |  |  |  | $ | 7,525 |  |  |  |  | $ | 15,060 |  |  | 
| Liabilities and Stockholders’ Equity |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Current liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Accounts payable and accrued expenses 
               |  |  |  | $ | 931 |  |  |  |  | $ | 1,423 |  |  | 
| 
                Lease liabilities, current 
               |  |  |  |  | 206 |  |  |  |  |  | 87 |  |  | 
| 
                Income taxes payable 
               |  |  |  |  | 22 |  |  |  |  |  | — |  |  | 
| 
                Other current liabilities 
               |  |  |  |  | 244 |  |  |  |  |  | — |  |  | 
| 
                Total current liabilities 
               |  |  |  |  | 1,403 |  |  |  |  |  | 1,510 |  |  | 
| 
                Lease liabilities, non-current 
               |  |  |  |  | 239 |  |  |  |  |  | 28 |  |  | 
| 
                Total liabilities 
               |  |  |  |  | 1,642 |  |  |  |  |  | 1,538 |  |  | 
| Commitments and contingencies (Note 8) |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stockholders’ Equity |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Preferred stock, par value $0.0001 per share, 10,000,000 shares authorized, zero shares issued and outstanding, at December 31, 2022 and December 31, 2021, respectively 
               |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Common stock, par value $0.0001 per share, 300,000,000 shares authorized, 
                 26,984,996 and 25,554,309 shares issued and outstanding, at December 31, 2022 and December 31, 2021, respectively |  |  |  |  | 3 |  |  |  |  |  | 3 |  |  | 
| 
                Additional paid-in capital 
               |  |  |  |  | 92,930 |  |  |  |  |  | 89,954 |  |  | 
| 
                Accumulated other comprehensive loss 
               |  |  |  |  | (483) |  |  |  |  |  | (1,363) |  |  | 
| 
                Accumulated deficit 
               |  |  |  |  | (86,567) |  |  |  |  |  | (75,072) |  |  | 
| 
                Total stockholders’ equity 
               |  |  |  |  | 5,883 |  |  |  |  |  | 13,522 |  |  | 
| 
                Total liabilities and stockholders’ equity 
               |  |  |  | $ | 7,525 |  |  |  |  | $ | 15,060 |  |  | 
|  |  |  | 
                Year Ended December 31, 
               |  | |||||||||
|  |  |  | 
                2022 
               |  |  | 
                2021 
               |  | ||||||
| 
                Revenue 
               |  |  |  | $ | 40 |  |  |  |  | $ | 18 |  |  | 
| 
                Cost of revenue 
               |  |  |  |  | 33 |  |  |  |  |  | 8 |  |  | 
| 
                Gross profit 
               |  |  |  |  | 7 |  |  |  |  |  | 10 |  |  | 
| 
                Other operating income 
               |  |  |  |  | 1,172 |  |  |  |  |  | 1,285 |  |  | 
| Operating expenses |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Research and development 
               |  |  |  |  | 5,802 |  |  |  |  |  | 8,199 |  |  | 
| 
                Selling, general and administrative 
               |  |  |  |  | 5,071 |  |  |  |  |  | 8,069 |  |  | 
| 
                Transaction expenses 
               |  |  |  |  | — |  |  |  |  |  | 1,329 |  |  | 
| 
                Total operating expenses 
               |  |  |  |  | 10,873 |  |  |  |  |  | 17,597 |  |  | 
| 
                Operating Loss 
               |  |  |  |  | (9,694) |  |  |  |  |  | (16,302) |  |  | 
| Non-operating income/(expense) |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Loss on foreign currency transactions 
               |  |  |  |  | (1,782) |  |  |  |  |  | (808) |  |  | 
| 
                Interest expense 
               |  |  |  |  | — |  |  |  |  |  | (19) |  |  | 
| 
                Interest income 
               |  |  |  |  | 5 |  |  |  |  |  | 3 |  |  | 
| 
                Total non-operating expense 
               |  |  |  |  | (1,777) |  |  |  |  |  | (824) |  |  | 
| 
                Loss before income taxes 
               |  |  |  |  | (11,471) |  |  |  |  |  | (17,126) |  |  | 
| 
                Income tax expense 
               |  |  |  |  | (24) |  |  |  |  |  | — |  |  | 
| 
                Net loss 
               |  |  |  | $ | (11,495) |  |  |  |  | $ | (17,126) |  |  | 
| 
                Net loss 
               |  |  |  | $ | (11,495) |  |  |  |  | $ | (17,126) |  |  | 
| Other comprehensive gain/(loss) |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Foreign currency translation gain 
               |  |  |  |  | 880 |  |  |  |  |  | 117 |  |  | 
| 
                Total comprehensive loss 
               |  |  |  | $ | (10,615) |  |  |  |  | $ | (17,009) |  |  | 
| 
                Basic & diluted net loss per common share 
               |  |  |  | $ | (0.40) |  |  |  |  | $ | (0.68) |  |  | 
| 
                Basic & diluted weighted average shares outstanding 
               |  |  |  |  | 28,861,789 |  |  |  |  |  | 25,233,384 |  |  | 
|  |  |  | 
                Common stock
                 $0.0001 Par Value |  |  | 
                Additional
                 Paid-in Capital |  |  | 
                Accumulated
                 Other Comprehensive Loss |  |  | 
                Accumulated
                 Deficit |  |  | 
                Stockholders’
                 Equity (Deficit) |  | |||||||||||||||||||||
|  |  |  | 
                Shares 
               |  |  | 
                Amount 
               |  | ||||||||||||||||||||||||||||||
| 
                Balance at January 1, 2021
               |  |  |  |  | 13,627,887 |  |  |  |  | $ | 1 |  |  |  |  | $ | 61,276 |  |  |  |  | $ | (1,480) |  |  |  |  | $ | (57,946) |  |  |  |  | $ | 1,851 |  |  | 
| 
                Issuance of common stock due to exercise of stock-options 
               |  |  |  |  | 1,424,622 |  |  |  |  |  | 1 |  |  |  |  |  | 19 |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 20 |  |  | 
| 
                Stock-based compensation expense 
               |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 6,196 |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 6,196 |  |  | 
| 
                Repurchase of common stock 
               |  |  |  |  | (2,307,700) |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Effect of reverse capitalization 
               |  |  |  |  | 2,500,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Issuance of common stock to vendor 
               |  |  |  |  | 147,500 |  |  |  |  |  | — |  |  |  |  |  | 280 |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 280 |  |  | 
| 
                Issuance of common stock and warrants 
                 in private placement |  |  |  |  | 10,162,000 |  |  |  |  |  | 1 |  |  |  |  |  | 24,637 |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 24,638 |  |  | 
| 
                Issuance costs related to common stock and warrants in private placement 
               |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | (2,454) |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | (2,454) |  |  | 
| 
                Foreign currency translation 
                 adjustment |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 117 |  |  |  |  |  | — |  |  |  |  |  | 117 |  |  | 
| 
                Net loss 
               |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  |  |  |  |  |  |  | (17,126) |  |  |  |  |  | (17,126) |  |  | 
| 
                Balance at December 31, 2021
               |  |  |  |  | 25,554,309 |  |  |  |  | $ | 3 |  |  |  |  | $ | 89,954 |  |  |  |  | $ | (1,363) |  |  |  |  | $ | (75,072) |  |  |  |  | $ | 13,522 |  |  | 
|  |  |  | 
                Common stock
                 $0.0001 Par Value |  |  | 
                Additional
                 Paid-in Capital |  |  | 
                Accumulated
                 Other Comprehensive Loss |  |  | 
                Accumulated
                 Deficit |  |  | 
                Stockholders’
                 Equity (Deficit) |  | |||||||||||||||||||||
|  |  |  | 
                Shares 
               |  |  | 
                Amount 
               |  | ||||||||||||||||||||||||||||||
| 
                Balance at January 1, 2022
               |  |  |  |  | 25,554,309 |  |  |  |  | $ | 3 |  |  |  |  | $ | 89,954 |  |  |  |  | $ | (1,363) |  |  |  |  | $ | (75,072) |  |  |  |  | $ | 13,522 |  |  | 
| 
                Stock-based compensation expense 
               |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 488 |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 488 |  |  | 
| 
                Issuance of common stock to vendor 
               |  |  |  |  | 430,687 |  |  |  |  |  | — |  |  |  |  |  | 658 |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 658 |  |  | 
| 
                Issuance of common stock in private placement 
               |  |  |  |  | 1,000,000 |  |  |  |  |  | — |  |  |  |  |  | 2,000 |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 2,000 |  |  | 
| 
                Issuance costs related to common stock in private placement 
               |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | (170) |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | (170) |  |  | 
| 
                Foreign currency translation 
                 adjustment |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 880 |  |  |  |  |  | — |  |  |  |  |  | 880 |  |  | 
| 
                Net loss 
               |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | (11,495) |  |  |  |  |  | (11,495) |  |  | 
| 
                Balance at December 31, 2022
               |  |  |  |  | 26,984,996 |  |  |  |  | $ | 3 |  |  |  |  | $ | 92,930 |  |  |  |  | $ | (483) |  |  |  |  | $ | (86,567) |  |  |  |  | $ | 5,883 |  |  | 
|  |  |  | 
                Year Ended December 31, 
               |  | |||||||||
|  |  |  | 
                2022 
               |  |  | 
                2021 
                 As restated |  | ||||||
| Cash flows from operating activities: |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Net loss 
               |  |  |  | $ | (11,495) |  |  |  |  | $ | (17,126) |  |  | 
| 
                Adjustments to reconcile net loss to net cash used in operating activities: 
               |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Depreciation expense 
               |  |  |  |  | 198 |  |  |  |  |  | 209 |  |  | 
| 
                Common shares issued to vendor for services 
               |  |  |  |  | 391 |  |  |  |  |  | 263 |  |  | 
| 
                Amortization of right of use asset 
               |  |  |  |  | 264 |  |  |  |  |  | 234 |  |  | 
| 
                Stock option compensation expense 
               |  |  |  |  | 488 |  |  |  |  |  | 6,196 |  |  | 
| 
                Loss on foreign currency transactions 
               |  |  |  |  | 1,782 |  |  |  |  |  | 808 |  |  | 
| 
                Change in assets and liabilities: 
               |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Accounts receivable, net 
               |  |  |  |  | (32) |  |  |  |  |  | 19 |  |  | 
| 
                Research & development tax credit receivable 
               |  |  |  |  | (213) |  |  |  |  |  | (104) |  |  | 
| 
                Prepaid expenses and other current assets 
               |  |  |  |  | (42) |  |  |  |  |  | (532) |  |  | 
| 
                Accounts payable and accrued expenses 
               |  |  |  |  | (385) |  |  |  |  |  | 579 |  |  | 
| 
                Lease liabilities 
               |  |  |  |  | (265) |  |  |  |  |  | (276) |  |  | 
| 
                Other assets 
               |  |  |  |  | — |  |  |  |  |  | 2 |  |  | 
| 
                Income taxes payable 
               |  |  |  |  | 22 |  |  |  |  |  | — |  |  | 
| 
                Other current liabilities 
               |  |  |  |  | 238 |  |  |  |  |  | — |  |  | 
| 
                Net cash used in operating activities 
               |  |  |  |  | (9,049) |  |  |  |  |  | (9,728) |  |  | 
| Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Purchases of property, plant and equipment 
               |  |  |  |  | (79) |  |  |  |  |  | (341) |  |  | 
| 
                Net cash used by investing activities 
               |  |  |  |  | (79) |  |  |  |  |  | (341) |  |  | 
| Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Proceeds from term loan payable 
               |  |  |  |  | — |  |  |  |  |  | 738 |  |  | 
| 
                Repayment of term loan payable 
               |  |  |  |  | — |  |  |  |  |  | (738) |  |  | 
| 
                Proceeds from the issuance of common stock and warrants in private placement 
               |  |  |  |  | — |  |  |  |  |  | 24,638 |  |  | 
| 
                Proceeds from the issuance of common stock in private placement 
               |  |  |  |  | 2,000 |  |  |  |  |  | — |  |  | 
| 
                Payment of issuance costs 
               |  |  |  |  | (170) |  |  |  |  |  | (2,454) |  |  | 
| 
                Proceeds from the exercise of stock options 
               |  |  |  |  | — |  |  |  |  |  | 20 |  |  | 
| 
                Net cash provided by financing activities 
               |  |  |  |  | 1,830 |  |  |  |  |  | 22,204 |  |  | 
| 
                Foreign currency effects on cash 
               |  |  |  |  | (693) |  |  |  |  |  | (673) |  |  | 
| 
                Net change in cash 
               |  |  |  |  | (7,991) |  |  |  |  |  | 11,462 |  |  | 
| 
                Cash and cash equivalents, beginning of year 
               |  |  |  |  | 12,226 |  |  |  |  |  | 764 |  |  | 
| 
                Cash and cash equivalents, end of year 
               |  |  |  | $ | 4,235 |  |  |  |  | $ | 12,226 |  |  | 
| Supplemental disclosure of cash and non-cash investing and financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Cash paid for interest 
               |  |  |  | $ | — |  |  |  |  | $ | 19 |  |  | 
| 
                Right of use asset and lease liability additions 
               |  |  |  | $ | 583 |  |  |  |  | $ | 136 |  |  | 
| 
                Issuance of common shares for consulting services 
               |  |  |  | $ | 633 |  |  |  |  | $ | 256 |  |  | 
|  |  |  | 
                December 31, 
               |  | |||||||||
|  |  |  | 
                2022 
               |  |  | 
                2021 
               |  | ||||||
| 
                Options 
               |  |  |  |  | 2,829,756 |  |  |  |  |  | 1,953,882 |  |  | 
| 
                Warrants 
               |  |  |  |  | 985,533 |  |  |  |  |  | 985,533 |  |  | 
| 
                Total 
               |  |  |  |  | 3,815,289 |  |  |  |  |  | 2,939,415 |  |  | 
|  |  |  | 
                December 31,
                 2022 |  |  | 
                December 31,
                 2021 |  | ||||||
|  |  | ||||||||||||
| 
                Prepaid service charges and property taxes 
               |  |  |  | $ | 55 |  |  |  |  | $ | 58 |  |  | 
| 
                Prepaid utilities 
               |  |  |  |  | 51 |  |  |  |  |  | 51 |  |  | 
| 
                Prepaid insurance 
               |  |  |  |  | 358 |  |  |  |  |  | 412 |  |  | 
| 
                Prepaid administrative expenses 
               |  |  |  |  | 35 |  |  |  |  |  | 63 |  |  | 
| 
                Prepaid technical fees 
               |  |  |  |  | 22 |  |  |  |  |  | 141 |  |  | 
| 
                Prepaid consulting fees 
               |  |  |  |  | 304 |  |  |  |  |  | 27 |  |  | 
| 
                VAT receivable 
               |  |  |  |  | 195 |  |  |  |  |  | 50 |  |  | 
| 
                Other receivable and other prepaid expenses 
               |  |  |  |  | 36 |  |  |  |  |  | — |  |  | 
| 
                Total prepaid expenses and other current assets 
               |  |  |  | $ | 1,056 |  |  |  |  | $ | 802 |  |  | 
|  |  |  | 
                December 31,
                 2022 |  |  | 
                December 31,
                 2021 |  | ||||||
| 
                Plant and equipment 
               |  |  |  | $ | 1,478 |  |  |  |  | $ | 1,633 |  |  | 
| 
                Furniture and fixtures 
               |  |  |  |  | 218 |  |  |  |  |  | 245 |  |  | 
| 
                Computer hardware and software 
               |  |  |  |  | 24 |  |  |  |  |  | 26 |  |  | 
|  |  |  |  |  | 1,720 |  |  |  |  |  | 1,904 |  |  | 
| 
                Less: Accumulated depreciation 
               |  |  |  |  | (1,118) |  |  |  |  |  | (1,102) |  |  | 
| 
                Property, plant and equipment, net 
               |  |  |  | $ | 602 |  |  |  |  | $ | 802 |  |  | 
|  |  |  | 
                December 31,
                 2022 |  |  | 
                December 31,
                 2021 |  | ||||||
| 
                Accounts payable 
               |  |  |  | $ | 230 |  |  |  |  | $ | 510 |  |  | 
| 
                Accrued expenses – lab refurbishments 
               |  |  |  |  | 117 |  |  |  |  |  | 131 |  |  | 
| 
                Accrued expenses – technical fees 
               |  |  |  |  | 130 |  |  |  |  |  | 66 |  |  | 
| 
                Accrued expenses – variable rent & utilities 
               |  |  |  |  | 15 |  |  |  |  |  | 20 |  |  | 
| 
                Accrued expenses – audit & accounting fees 
               |  |  |  |  | 128 |  |  |  |  |  | 191 |  |  | 
| 
                Accrued expenses – other 
               |  |  |  |  | 80 |  |  |  |  |  | 112 |  |  | 
| 
                Credit card liabilities 
               |  |  |  |  | 20 |  |  |  |  |  | 10 |  |  | 
| 
                Payroll and social security liabilities 
               |  |  |  |  | 211 |  |  |  |  |  | 383 |  |  | 
| 
                Total accounts payable and accrued expenses 
               |  |  |  | $ | 931 |  |  |  |  | $ | 1,423 |  |  | 
|  |  |  | 
                For the Year Ended 
                 December 31, |  | |||||||||
|  |  |  | 
                2022 
               |  |  | 
                2021 
               |  | ||||||
| 
                Operating lease cost 
               |  |  |  | $ | 262 |  |  |  |  | $ | 225 |  |  | 
| 
                Short-term lease cost 
               |  |  |  |  | 10 |  |  |  |  |  | 32 |  |  | 
| 
                Variable lease cost 
               |  |  |  |  | 186 |  |  |  |  |  | 140 |  |  | 
| 
                Total lease cost 
               |  |  |  | $ | 458 |  |  |  |  | $ | 397 |  |  | 
|  |  |  | 
                For the Year Ended 
                 December 31, |  | |||||||||
|  |  |  | 
                2022 
               |  |  | 
                2021 
               |  | ||||||
| 
                Research and development 
               |  |  |  | $ | 430 |  |  |  |  | $ | 373 |  |  | 
| 
                Selling, general and administrative 
               |  |  |  |  | 28 |  |  |  |  |  | 24 |  |  | 
| 
                Total lease cost 
               |  |  |  | $ | 458 |  |  |  |  | $ | 397 |  |  | 
|  |  |  | 
                December 31,
                 2022 |  |  | 
                December 31,
                 2021 |  | ||||||
| Assets |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Operating lease right of use assets 
               |  |  |  | $ | 475 |  |  |  |  | $ | 154 |  |  | 
| 
                Total lease assets 
               |  |  |  | $ | 475 |  |  |  |  | $ | 154 |  |  | 
| Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Current liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Operating lease liability – current portion 
               |  |  |  | $ | 206 |  |  |  |  | $ | 87 |  |  | 
| Noncurrent liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Operating lease liability, net of current portion 
               |  |  |  |  | 239 |  |  |  |  |  | 28 |  |  | 
| 
                Total lease liabilities 
               |  |  |  | $ | 445 |  |  |  |  | $ | 115 |  |  | 
|  |  |  | 
                For the Year Ended
                 December 31, |  | |||||||||
|  |  |  | 
                2022 
               |  |  | 
                2021 
               |  | ||||||
| 
                Operating cash outflows from operating leases 
               |  |  |  | $ | 265 |  |  |  |  | $ | 276 |  |  | 
| 
                Supplemental non-cash amounts of operating lease liabilities arising from obtaining right of use assets 
               |  |  |  | $ | 583 |  |  |  |  | $ | 136 |  |  | 
|  |  |  | 
                For the Year Ended 
                 December 31, |  | |||||||||
|  |  |  | 
                2022 
               |  |  | 
                2021 
               |  | ||||||
| 
                Weighted average remaining lease term (in years) – operating leases 
               |  |  |  |  | 2.19 |  |  |  |  |  | 1.40 |  |  | 
| 
                Weighted average discount rate – operating leases 
               |  |  |  |  | 7.73% |  |  |  |  |  | 6.07% |  |  | 
|  |  |  | 
                As of
                 December 31, 2022 |  | |||
| 
                2023 
               |  |  |  | $ | 234 |  |  | 
| 
                2024 
               |  |  |  |  | 234 |  |  | 
| 
                2025 
               |  |  |  |  | 19 |  |  | 
| 
                Total undiscounted lease payments 
               |  |  |  |  | 487 |  |  | 
| 
                Less imputed interest 
               |  |  |  |  | (42) |  |  | 
| 
                Total net lease liabilities 
               |  |  |  | $ | 445 |  |  | 
|  |  |  | 
                Number of
                 Shares |  |  | 
                Weighted-
                 Average Exercise Price |  |  | 
                Weighted-
                 Average Remaining Contractual Term (Years) |  | |||||||||
| 
                Warrants outstanding at January 1, 2021 
               |  |  |  |  | — |  |  |  |  | $ | — |  |  |  |  |  | — |  |  | 
| 
                Exercised 
               |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Forfeited or Expired 
               |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Granted 
               |  |  |  |  | 985,533 |  |  |  |  |  | 2.00 |  |  |  |  |  | 5.00 |  |  | 
| 
                Warrants outstanding at January 1, 2022 
               |  |  |  |  | 985,533 |  |  |  |  | $ | 2.00 |  |  |  |  |  | 4.15 |  |  | 
| 
                Exercised 
               |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Forfeited or Expired 
               |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Granted 
               |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Warrants outstanding at December 31, 2022 
               |  |  |  |  | 985,533 |  |  |  |  | $ | 2.00 |  |  |  |  |  | 3.15 |  |  | 
|  |  |  | 
                Number of
                 Shares |  |  | 
                Weighted-
                 Average Exercise Price |  | ||||||
| 
                Pre-funded warrants outstanding at January 1, 2021 
               |  |  |  |  | — |  |  |  |  | $ | — |  |  | 
| 
                Exercised 
               |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Forfeited or Expired 
               |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Granted 
               |  |  |  |  | 2,168,000 |  |  |  |  |  | 0.01 |  |  | 
| 
                Pre-funded warrants outstanding at January 1, 2022 
               |  |  |  |  | 2,168,000 |  |  |  |  | $ | 0.01 |  |  | 
| 
                Exercised 
               |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Forfeited or Expired 
               |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Granted 
               |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Pre-funded warrants outstanding at December 31, 2022 
               |  |  |  |  | 2,168,000 |  |  |  |  | $ | 0.01 |  |  | 
|  |  |  | 
                Year Ended
                 December 31, 2022 |  |  | 
                Year Ended
                 December 31, 2021 |  | 
| 
                Expected term (years) 
               |  |  | 
                6 years – 6.3 years 
               |  |  | 
                5 years – 6 years 
               |  | 
| 
                Risk-free interest rate 
               |  |  | 
                3.1% – 3.6% 
               |  |  | 
                0.3% – 1.2% 
               |  | 
| 
                Expected volatility 
               |  |  | 
                64% 
               |  |  | 
                54% – 58% 
               |  | 
| 
                Expected dividend yield 
               |  |  | 
                0% 
               |  |  | 
                0%
               |  | 
|  |  |  | 
                Number of
                 Shares |  |  | 
                Weighted-
                 Average Exercise Price |  |  | 
                Weighted-
                 Average Remaining Contractual Term (Years) |  |  | 
                Weighted-
                 Average Fair Value at Grant Date |  |  | 
                Aggregate
                 Intrinsic Value (in thousands) |  | |||||||||||||||
| 
                Options outstanding at January 1, 2021 
               |  |  |  |  | 1,810,749 |  |  |  |  | $ | 
                0.06143
               |  |  |  |  |  | 9.70 |  |  |  |  | $ | 
                3.46867
               |  |  |  |  |  |  |  |  | 
| 
                Exercised 
               |  |  |  |  | (1,424,622) |  |  |  |  |  | 0.01447 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Cancelled 
               |  |  |  |  | (405,936) |  |  |  |  |  | 0.06452 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Forfeited 
               |  |  |  |  | (136,221) |  |  |  |  |  | 0.00100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Granted 
               |  |  |  |  | 2,109,912 |  |  |  |  |  | 1.68113 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Options outstanding at December 31, 2021 
               |  |  |  |  | 1,953,882 |  |  |  |  | $ | 1.72323 |  |  |  |  |  | 9.31 |  |  |  |  | $ | 1.12355 |  |  |  |  |  |  |  |  | 
| 
                Exercised 
               |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Cancelled 
               |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Forfeited 
               |  |  |  |  | (42,126) |  |  |  |  |  | 2.00000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Granted 
               |  |  |  |  | 918,000 |  |  |  |  |  | 2.00000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Options outstanding at December 31, 2022 
               |  |  |  |  | 2,829,756 |  |  |  |  | $ | 1.80889 |  |  |  |  |  | 8.77 |  |  |  |  | $ | 0.98273 |  |  |  |  |  |  |  |  | 
| 
                Options exercisable at December 31, 2022 
               |  |  |  |  | 986,636 |  |  |  |  | $ | 1.45189 |  |  |  |  |  | 8.26 |  |  |  |  |  |  |  |  |  |  | $ | 162 |  |  | 
| 
                Vested and expected to vest after December 31, 
                 2022 |  |  |  |  | 2,829,756 |  |  |  |  | $ | 1.80889 |  |  |  |  |  | 8.77 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
|  |  |  | 
                For the Year Ended 
                 December 31, |  | |||||||||
|  |  |  | 
                2022 
               |  |  | 
                2021 
               |  | ||||||
| 
                Research and development 
               |  |  |  | $ | 216 |  |  |  |  | $ | 2,982 |  |  | 
| 
                Selling, general and administrative 
               |  |  |  |  | 272 |  |  |  |  |  | 3,214 |  |  | 
| 
                Total 
               |  |  |  | $ | 488 |  |  |  |  | $ | 6,196 |  |  | 
|  |  |  | 
                For the Year Ended 
                 December 31, |  | |||||||||
|  |  |  | 
                2022 
               |  |  | 
                2021 
               |  | ||||||
| 
                United States 
               |  |  |  | $ | 584 |  |  |  |  | $ | (5,039) |  |  | 
| 
                Foreign 
               |  |  |  |  | (12,055) |  |  |  |  |  | (12,087) |  |  | 
| 
                Loss before income taxes 
               |  |  |  | $ | (11,471) |  |  |  |  | $ | (17,126) |  |  | 
|  |  |  | 
                Year Ended December 31, 
               |  | |||||||||
|  |  |  | 
                2022 
               |  |  | 
                2021 
               |  | ||||||
| 
                Taxes at domestic rate 
               |  |  |  |  | 21.0% |  |  |  |  |  | 21.0% |  |  | 
| 
                State and local income taxes 
               |  |  |  |  | —% |  |  |  |  |  | —% |  |  | 
| 
                Non-US statutory rates 
               |  |  |  |  | 2.9% |  |  |  |  |  | (0.8)% |  |  | 
| 
                Permanent items 
               |  |  |  |  | (6.3)% |  |  |  |  |  | (7.3)% |  |  | 
| 
                Change in valuation allowance 
               |  |  |  |  | (17.9)% |  |  |  |  |  | (22.4)% |  |  | 
| 
                Statutory Rate Change 
               |  |  |  |  | —% |  |  |  |  |  | 9.6% |  |  | 
| 
                Other 
               |  |  |  |  | 0.1% |  |  |  |  |  | (0.1)% |  |  | 
| 
                Effective tax rate 
               |  |  |  |  | (0.2)% |  |  |  |  |  | (0.0)% |  |  | 
|  |  |  | 
                December 31, 
               |  | |||||||||
|  |  |  | 
                2022 
               |  |  | 
                2021 
               |  | ||||||
| Current |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Federal 
               |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                State 
               |  |  |  |  | 2 |  |  |  |  |  | — |  |  | 
| 
                Foreign 
               |  |  |  |  | 22 |  |  |  |  |  | — |  |  | 
| 
                Total Current 
               |  |  |  | $ | 24 |  |  |  |  | $ | — |  |  | 
| Deferred |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Federal 
               |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                State 
               |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Foreign 
               |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Total Deferred 
               |  |  |  |  | — |  |  |  |  |  | — |  |  | 
| 
                Total 
               |  |  |  | $ | 24 |  |  |  |  | $ | — |  |  | 
|  |  |  | 
                December 31, 
               |  | |||||||||
|  |  |  | 
                2022 
               |  |  | 
                2021 
               |  | ||||||
| Deferred tax assets/(liabilities): |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| 
                Net operating loss carryforwards 
               |  |  |  | $ | 9,151 |  |  |  |  | $ | 7,506 |  |  | 
| 
                Property plant and equipment 
               |  |  |  |  | (150) |  |  |  |  |  | (190) |  |  | 
| 
                Other 
               |  |  |  |  | 68 |  |  |  |  |  | 229 |  |  | 
|  |  |  |  |  | 9,069 |  |  |  |  |  | 7,545 |  |  | 
| 
                Valuation allowance 
               |  |  |  |  | (9,069) |  |  |  |  |  | (7,545) |  |  | 
| 
                Deferred tax assets, net of allowance 
               |  |  |  | $ | — |  |  |  |  | $ | — |  |  | 
|  |  |  | 
                For the Years End 
                 December 31, |  | |||||||||
|  |  |  | 
                2022 
               |  |  | 
                2021 
               |  | ||||||
| 
                Research and development 
               |  |  |  | $ | 108 |  |  |  |  | $ | 98 |  |  | 
| 
                Selling, general and administrative 
               |  |  |  |  | 52 |  |  |  |  |  | 42 |  |  | 
| 
                Total pension cost 
               |  |  |  | $ | 160 |  |  |  |  | $ | 140 |  |  |