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v3.23.3

Consolidated Statements of Stockholder's Equity (Unaudited) - USD ($) $ in Thousands | Total | May 2023 Private Placement [Member] | November 2022 Private Placement [Member] | Common stock [Member] | Common stock [Member] May 2023 Private Placement [Member] | Additional paid-in capital [Member] | Additional paid-in capital [Member] May 2023 Private Placement [Member] | Additional paid-in capital [Member] November 2022 Private Placement [Member] | Accumulated other comprehensive income (loss) [Member] | Accumulated deficit [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2021 | $ 28,042 |  |  | $ 79 |  | $ 121,545 |  |  | $ 4 | $ (93,586)
Beginning Balance, Shares at Dec. 31, 2021 |  |  |  | 9,453,542 |  |  |  |  |  |
Stock-based compensation expense | 823 |  |  |  |  | 823 |  |  |  |
Shares issued on exercise of warrants | 24 |  |  |  |  | 24 |  |  |  |
Shares issued on exercise of warrants, Shares |  |  |  | 3,709 |  |  |  |  |  |
Shares issued from purchase agreement with Virtu | 91 |  |  |  |  | 91 |  |  |  |
Shares issued from purchase agreement with Virtu, Shares |  |  |  | 12,742 |  |  |  |  |  |
Shares issued | 26 |  |  |  |  | 26 |  |  |  |
Shares issued, Shares |  |  |  | 3,584 |  |  |  |  |  |
Net loss | (7,573) |  |  |  |  |  |  |  |  | (7,573)
Ending Balance at Mar. 31, 2022 | 21,433 |  |  | $ 79 |  | 122,509 |  |  | 4 | (101,159)
Ending Balance, Shares at Mar. 31, 2022 |  |  |  | 9,473,577 |  |  |  |  |  |
Beginning Balance at Dec. 31, 2021 | $ 28,042 |  |  | $ 79 |  | 121,545 |  |  | 4 | (93,586)
Beginning Balance, Shares at Dec. 31, 2021 |  |  |  | 9,453,542 |  |  |  |  |  |
Restricted stock unit settlements, Shares | 26,625 |  |  |  |  |  |  |  |  |
Net loss | $ (31,118) |  |  |  |  |  |  |  |  |
Ending Balance at Sep. 30, 2022 | 1,044 |  |  | $ 79 |  | 125,665 |  |  | 4 | (124,704)
Ending Balance, Shares at Sep. 30, 2022 |  |  |  | 9,710,747 |  |  |  |  |  |
Beginning Balance at Mar. 31, 2022 | 21,433 |  |  | $ 79 |  | 122,509 |  |  | 4 | (101,159)
Beginning Balance, Shares at Mar. 31, 2022 |  |  |  | 9,473,577 |  |  |  |  |  |
Stock-based compensation expense | 840 |  |  |  |  | 840 |  |  |  |
Shares issued from purchase agreement with Virtu | 1,408 |  |  |  |  | 1,408 |  |  |  |
Shares issued from purchase agreement with Virtu, Shares |  |  |  | 187,258 |  |  |  |  |  |
Restricted stock unit settlements, Shares |  |  |  | 26,625 |  |  |  |  |  |
Restricted stock unit settlements withheld and retired to treasury | (47) |  |  |  |  | (47) |  |  |  |
Restricted stock unit settlements withheld and retired to treasury, Shares |  |  |  | (5,605) |  |  |  |  |  |
Net loss | (10,468) |  |  |  |  |  |  |  |  | (10,468)
Ending Balance at Jun. 30, 2022 | 13,166 |  |  | $ 79 |  | 124,710 |  |  | 4 | (111,627)
Ending Balance, Shares at Jun. 30, 2022 |  |  |  | 9,681,855 |  |  |  |  |  |
Stock-based compensation expense | $ 829 |  |  |  |  | 829 |  |  |  |
Restricted stock unit settlements, Shares | 26,625 |  |  |  |  |  |  |  |  |
Shares issued under employee share purchase plan | $ 126 |  |  |  |  | 126 |  |  |  |
Shares issued under employee share purchase plan, Shares |  |  |  | 28,892 |  |  |  |  |  |
Net loss | (13,077) |  |  |  |  |  |  |  |  | (13,077)
Ending Balance at Sep. 30, 2022 | 1,044 |  |  | $ 79 |  | 125,665 |  |  | 4 | (124,704)
Ending Balance, Shares at Sep. 30, 2022 |  |  |  | 9,710,747 |  |  |  |  |  |
Beginning Balance at Dec. 31, 2022 | 8,303 |  |  | $ 87 |  | 144,148 |  |  | 4 | (135,936)
Beginning Balance, Shares at Dec. 31, 2022 |  |  |  | 17,897,029 |  |  |  |  |  |
Stock-based compensation expense | 1,085 |  |  |  |  | 1,085 |  |  |  |
Shares issued on exercise of warrants | 77 |  |  |  |  | 77 |  |  |  |
Shares issued on exercise of warrants, Shares |  |  |  | 33,333 |  |  |  |  |  |
Financing costs |  |  | $ (30) |  |  |  |  | $ (30) |  |
Net loss | (8,992) |  |  |  |  |  |  |  |  | (8,992)
Ending Balance at Mar. 31, 2023 | 443 |  |  | $ 87 |  | 145,280 |  |  | 4 | (144,928)
Ending Balance, Shares at Mar. 31, 2023 |  |  |  | 17,930,362 |  |  |  |  |  |
Beginning Balance at Dec. 31, 2022 | $ 8,303 |  |  | $ 87 |  | 144,148 |  |  | 4 | (135,936)
Beginning Balance, Shares at Dec. 31, 2022 |  |  |  | 17,897,029 |  |  |  |  |  |
Restricted stock unit settlements, Shares | 139,750 |  |  |  |  |  |  |  |  |
Net loss | $ (24,339) |  |  |  |  |  |  |  |  |
Ending Balance at Sep. 30, 2023 | 4,038 |  |  | $ 90 |  | 164,219 |  |  | 4 | (160,275)
Ending Balance, Shares at Sep. 30, 2023 |  |  |  | 21,165,760 |  |  |  |  |  |
Beginning Balance at Mar. 31, 2023 | 443 |  |  | $ 87 |  | 145,280 |  |  | 4 | (144,928)
Beginning Balance, Shares at Mar. 31, 2023 |  |  |  | 17,930,362 |  |  |  |  |  |
Stock-based compensation expense | 1,190 |  |  |  |  | 1,190 |  |  |  |
Shares issued on exercise of warrants | 150 |  |  |  |  | 150 |  |  |  |
Shares issued on exercise of warrants, Shares |  |  |  | 65,000 |  |  |  |  |  |
Shares issued |  | $ 15,301 |  |  | $ 3 |  | $ 15,298 |  |  |
Shares issued, Shares |  |  |  |  | 3,000,000 |  |  |  |  |
SVB convertible debt refinancing discount | 1,074 |  |  |  |  | 1,074 |  |  |  |
Restricted stock unit settlements, Shares |  |  |  | 139,750 |  |  |  |  |  |
Restricted stock unit settlements withheld and retired to treasury | (220) |  |  |  |  | (220) |  |  |  |
Restricted stock unit settlements withheld and retired to treasury, Shares |  |  |  | (29,352) |  |  |  |  |  |
Net loss | (8,239) |  |  |  |  |  |  |  |  | (8,239)
Ending Balance at Jun. 30, 2023 | 9,699 |  |  | $ 90 |  | 162,772 |  |  | 4 | (153,167)
Ending Balance, Shares at Jun. 30, 2023 |  |  |  | 21,105,760 |  |  |  |  |  |
Stock-based compensation expense | 1,174 |  |  |  |  | 1,174 |  |  |  |
Shares issued | $ 273 |  |  |  |  | 273 |  |  |  |
Shares issued, Shares |  |  |  | 60,000 |  |  |  |  |  |
Restricted stock unit settlements, Shares | 139,750 |  |  |  |  |  |  |  |  |
Net loss | $ (7,108) |  |  |  |  |  |  |  |  | (7,108)
Ending Balance at Sep. 30, 2023 | $ 4,038 |  |  | $ 90 |  | $ 164,219 |  |  | $ 4 | $ (160,275)
Ending Balance, Shares at Sep. 30, 2023 |  |  |  | 21,165,760 |  |  |  |  |  |

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