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v3.25.1

CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (DEFICIT) - USD ($) $ in Thousands | Total | Common Class A | Common Stock | Common Stock Common Class A | Additional paid-in capital | Accumulated deficit
--- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2022 |  |  |  | 120,631 |  |
Beginning balance at Dec. 31, 2022 | $ 38,607 |  |  | $ 0 | $ 342,734 | $ (304,127)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Issuance of common stock upon exercise of stock options (in shares) |  |  |  | 721 |  |
Issuance of common stock upon exercise of stock options | 130 |  |  |  | 130 |
Issuance of common stock upon vesting of RSUs (in shares) |  |  |  | 3,055 |  |
Issuance of common stock upon purchase of ESPP (in shares) |  |  | 225 |  |  |
Issuance of common stock upon purchase of ESPP | 33 |  |  |  | 33 |
Share repurchase related to Section 16 Officer tax coverage exchange (in shares) |  |  |  | (351) |  |
Share repurchase related to Section 16 Officer tax coverage exchange | (88) |  |  |  | (88) |
Issuance of common stock and related warrants in registered offering, net of issuance costs (in shares) |  |  |  | 49,138 |  |
Issuance of common stock and related warrants in registered offering, net of issuance costs | 16,952 |  |  |  | 16,952 |
Issuance of common stock upon exercise of pre-funded warrants (in shares) |  |  |  | 158,312 |  |
Issuance of common stock upon cashless exercise of warrants (in shares) |  |  |  | 255,516 |  |
Issuance of common stock upon exercise of warrants | 7,881 |  |  |  | 7,881 |
Stock-based compensation - stock options, RSAs, RSUs | 8,480 |  |  |  | 8,480 |
Issuance of common stock for consulting services (in shares) |  |  |  | 193 |  |
Issuance of common stock for consulting services | 112 |  |  |  | 112 |
Common stock issued in connection with reverse stock split (in shares) |  |  |  | 4,272 |  |
Net loss | (68,920) |  |  |  |  | (68,920)
Ending balance (in shares) at Dec. 31, 2023 |  | 591,712 |  | 591,712 |  |
Ending balance at Dec. 31, 2023 | 3,187 |  |  | $ 0 | 376,234 | (373,047)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Issuance of common stock upon vesting of RSUs (in shares) |  |  |  | 4,388 |  |
Share repurchase related to Section 16 Officer tax coverage exchange (in shares) |  |  |  | (548) |  |
Share repurchase related to Section 16 Officer tax coverage exchange | (4) |  |  |  | (4) |
Issuance of common stock and related warrants in registered offering, net of issuance costs (in shares) |  |  |  | 388,572 |  |
Issuance of common stock and related warrants in registered offering, net of issuance costs | 11,591 |  |  |  | 11,591 |
Issuance of pre-funded warrants and warrants in private placement, net of issuance costs | 2,443 |  |  |  | 2,443 |
Issuance of common stock upon exercise of pre-funded warrants (in shares) |  |  |  | 1,159,235 |  |
Issuance of common stock upon cashless exercise of warrants (in shares) |  |  |  | 637,238 |  |
Issuance of warrants with convertible notes | 1,305 |  |  |  | 1,305 |
Issuance of warrants with loan payable | 121 |  |  |  | 121 |
Issuance of warrants for debt issuance costs | 2,000 |  |  |  | 2,000 |
Stock-based compensation - stock options, RSAs, RSUs | 6,493 |  |  |  | 6,493 |
Net loss | (34,946) |  |  |  |  | (34,946)
Ending balance (in shares) at Dec. 31, 2024 |  | 2,780,597 |  | 2,780,597 |  |
Ending balance at Dec. 31, 2024 | $ (7,810) |  |  | $ 0 | $ 400,183 | $ (407,993)

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