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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands | Total | Public Offering | ATM | Common Stock | Common Stock Public Offering | Common Stock ATM | Additional Paid-in Capital | Additional Paid-in Capital Public Offering | Additional Paid-in Capital ATM | Accumulated Other Comprehensive (Loss) Income | Accumulated Deficit
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2022 | $ 179,631 |  |  | $ 2 |  |  | $ 282,566 |  |  | $ (81) | $ (102,856)
Beginning Balance, shares at Dec. 31, 2022 |  |  |  | 23,713,196 |  |  |  |  |  |  |
Exercise of stock options , Shares |  |  |  | 68,709 |  |  |  |  |  |  |
Stock-based compensation expense | 1,348 |  |  |  |  |  | 1,348 |  |  |  |
Cumulative translation adjustment arising during the period | 53 |  |  |  |  |  |  |  |  | 53 |
Exercise of Stock Options | 130 |  |  |  |  |  | 130 |  |  |  |
Net loss | (16,319) |  |  |  |  |  |  |  |  |  | (16,319)
Foreign currency translation adjustment | 53 |  |  |  |  |  |  |  |  | 53 |
Ending Balance at Mar. 31, 2023 | 164,843 |  |  | $ 2 |  |  | 284,044 |  |  | (28) | (119,175)
Ending Balance, shares at Mar. 31, 2023 |  |  |  | 23,781,905 |  |  |  |  |  |  |
Beginning Balance at Dec. 31, 2022 | 179,631 |  |  | $ 2 |  |  | 282,566 |  |  | (81) | (102,856)
Beginning Balance, shares at Dec. 31, 2022 |  |  |  | 23,713,196 |  |  |  |  |  |  |
Net loss | (35,841) |  |  |  |  |  |  |  |  |  |
Ending Balance at Jun. 30, 2023 | 147,284 |  |  | $ 2 |  |  | 285,966 |  |  | 13 | (138,697)
Ending Balance, shares at Jun. 30, 2023 |  |  |  | 23,813,547 |  |  |  |  |  |  |
Beginning Balance at Mar. 31, 2023 | 164,843 |  |  | $ 2 |  |  | 284,044 |  |  | (28) | (119,175)
Beginning Balance, shares at Mar. 31, 2023 |  |  |  | 23,781,905 |  |  |  |  |  |  |
Exercise of stock options , Shares |  |  |  | 31,642 |  |  |  |  |  |  |
Stock-based compensation expense | 1,837 |  |  |  |  |  | 1,837 |  |  |  |
Cumulative translation adjustment arising during the period | 41 |  |  |  |  |  |  |  |  | 41 |
Exercise of Stock Options | 85 |  |  |  |  |  | 85 |  |  |  |
Net loss | (19,522) |  |  |  |  |  |  |  |  |  | (19,522)
Foreign currency translation adjustment | 41 |  |  |  |  |  |  |  |  | 41 |
Ending Balance at Jun. 30, 2023 | 147,284 |  |  | $ 2 |  |  | 285,966 |  |  | 13 | (138,697)
Ending Balance, shares at Jun. 30, 2023 |  |  |  | 23,813,547 |  |  |  |  |  |  |
Beginning Balance at Dec. 31, 2023 | 108,421 |  |  | $ 2 |  |  | 289,867 |  |  | 34 | (181,482)
Beginning Balance, shares at Dec. 31, 2023 |  |  |  | 23,823,241 |  |  |  |  |  |  |
Exercise of stock options , Shares |  |  |  | 36,194 |  |  |  |  |  |  |
Stock-based compensation expense | 2,022 |  |  |  |  |  | 2,022 |  |  |  |
Unrealized loss on marketable securities | (20) |  |  |  |  |  |  |  |  | (20) |
Cumulative translation adjustment arising during the period | (51) |  |  |  |  |  |  |  |  | (51) |
Issuance of common stock |  | $ 76,352 | $ 9,900 |  | $ 1 |  |  | $ 76,351 | $ 9,900 |  |
Issuance of common stock, Shares |  |  |  |  | 7,530,000 | 1,000,000 |  |  |  |  |
Exercise of Stock Options | 395 |  |  |  |  |  | 395 |  |  |  |
Net loss | (18,020) |  |  |  |  |  |  |  |  |  | (18,020)
Foreign currency translation adjustment | (51) |  |  |  |  |  |  |  |  | (51) |
Ending Balance at Mar. 31, 2024 | 178,999 |  |  | $ 3 |  |  | 378,535 |  |  | (37) | (199,502)
Ending Balance, shares at Mar. 31, 2024 |  |  |  | 32,389,435 |  |  |  |  |  |  |
Beginning Balance at Dec. 31, 2023 | 108,421 |  |  | $ 2 |  |  | 289,867 |  |  | 34 | (181,482)
Beginning Balance, shares at Dec. 31, 2023 |  |  |  | 23,823,241 |  |  |  |  |  |  |
Net loss | (46,355) |  |  |  |  |  |  |  |  |  |
Ending Balance at Jun. 30, 2024 | 155,040 |  |  | $ 3 |  |  | 382,949 |  |  | (75) | (227,837)
Ending Balance, shares at Jun. 30, 2024 |  |  |  | 32,550,403 |  |  |  |  |  |  |
Beginning Balance at Mar. 31, 2024 | 178,999 |  |  | $ 3 |  |  | 378,535 |  |  | (37) | (199,502)
Beginning Balance, shares at Mar. 31, 2024 |  |  |  | 32,389,435 |  |  |  |  |  |  |
Exercise of stock options , Shares |  |  |  | 128,354 |  |  |  |  |  |  |
Issuance of stock under the employee stock purchase plan (in shares) |  |  |  | 32,614 |  |  |  |  |  |  |
Stock-based compensation expense | 2,862 |  |  |  |  |  | 2,862 |  |  |  |
Unrealized loss on marketable securities | (37) |  |  |  |  |  |  |  |  | (37) |
Cumulative translation adjustment arising during the period | (1) |  |  |  |  |  |  |  |  | (1) |
Exercise of Stock Options | 1,403 |  |  |  |  |  | 1,403 |  |  |  |
Issuance of stock under the employee stock purchase plan | 149 |  |  |  |  |  | 149 |  |  |  |
Net loss | (28,335) |  |  |  |  |  |  |  |  |  | (28,335)
Foreign currency translation adjustment | (1) |  |  |  |  |  |  |  |  | (1) |
Ending Balance at Jun. 30, 2024 | $ 155,040 |  |  | $ 3 |  |  | $ 382,949 |  |  | $ (75) | $ (227,837)
Ending Balance, shares at Jun. 30, 2024 |  |  |  | 32,550,403 |  |  |  |  |  |  |

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