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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Gain/(Loss) | Accumulated Deficit | Total
--- | --- | --- | --- | --- | ---
Beginning balance, shares at Dec. 31, 2021 | 24,410,393 |  |  |  |
Beginning balance, value at Dec. 31, 2021 | $ 2 | $ 208,867 | $ (59) | $ (36,392) | $ 172,418
Unrealized loss on investments |  |  | 407 |  | 407
Issuance of common stock upon exercise of stock options |  | 617 |  |  | 617
Issuance of common stock upon exercise of stock options (in shares) | 298,712 |  |  |  |
Issuance of common stock under ESPP |  | 150 |  |  | 150
Issuance of common stock under ESPP, shares | 13,869 |  |  |  |
Stock based compensation |  | 5,476 |  |  | 5,476
Net loss |  |  |  | (51,511) | (51,511)
Ending balance, shares at Dec. 31, 2022 | 24,722,974 |  |  |  |
Ending balance, value at Dec. 31, 2022 | $ 2 | 215,110 | (466) | (87,903) | 126,743
Unrealized gain on investments |  |  | 265 |  | 265
Issuance of common stock upon exercise of stock options |  | 223 |  |  | 223
Issuance of common stock upon exercise of stock options (in shares) | 93,966 |  |  |  |
Stock based compensation |  | 2,384 |  |  | 2,384
Net loss |  |  |  | (16,520) | (16,520)
Ending balance, shares at Mar. 31, 2023 | 24,816,940 |  |  |  |
Ending balance, value at Mar. 31, 2023 | $ 2 | 217,717 | (201) | (104,423) | 113,095
Beginning balance, shares at Dec. 31, 2022 | 24,722,974 |  |  |  |
Beginning balance, value at Dec. 31, 2022 | $ 2 | 215,110 | (466) | (87,903) | 126,743
Net loss |  |  |  |  | (55,108)
Ending balance, shares at Sep. 30, 2023 | 27,653,187 |  |  |  |
Ending balance, value at Sep. 30, 2023 | $ 3 | 268,926 | (195) | (143,011) | 125,723
Beginning balance, shares at Dec. 31, 2022 | 24,722,974 |  |  |  |
Beginning balance, value at Dec. 31, 2022 | $ 2 | 215,110 | (466) | (87,903) | 126,743
Unrealized gain on investments |  |  | 703 |  | 703
Issuance of common stock in connection with ATM, net | $ 1 | 44,282 |  |  | 44,283
Issuance of common stock in connection with ATM, net, shares | 2,662,721 |  |  |  |
Issuance of common stock upon exercise of stock options |  | 986 |  |  | $ 986
Issuance of common stock upon exercise of stock options (in shares) | 338,987 |  |  |  | 338,987
Issuance of common stock under ESPP |  | 356 |  |  | $ 356
Issuance of common stock under ESPP, shares | 28,108 |  |  |  |
Vesting of restricted stock units, shares | 9,913 |  |  |  |
Stock based compensation |  | 11,906 |  |  | 11,906
Net loss |  |  |  | (75,521) | (75,521)
Ending balance, shares at Dec. 31, 2023 | 27,762,703 |  |  |  |
Ending balance, value at Dec. 31, 2023 | $ 3 | 272,640 | 237 | (163,424) | 109,456
Beginning balance, shares at Mar. 31, 2023 | 24,816,940 |  |  |  |
Beginning balance, value at Mar. 31, 2023 | $ 2 | 217,717 | (201) | (104,423) | 113,095
Unrealized loss on investments |  |  | 22 |  | 22
Issuance of common stock in connection with ATM, net | $ 1 | 44,282 |  |  | 44,283
Issuance of common stock in connection with ATM, net, shares | 2,662,721 |  |  |  |
Issuance of common stock upon exercise of stock options |  | 333 |  |  | 333
Issuance of common stock upon exercise of stock options (in shares) | 106,756 |  |  |  |
Issuance of common stock under ESPP |  | 228 |  |  | 228
Issuance of common stock under ESPP, shares | 13,866 |  |  |  |
Vesting of restricted stock units, shares | 815 |  |  |  |
Stock based compensation |  | 3,034 |  |  | 3,034
Net loss |  |  |  | (19,025) | (19,025)
Ending balance, shares at Jun. 30, 2023 | 27,601,098 |  |  |  |
Ending balance, value at Jun. 30, 2023 | $ 3 | 265,594 | (223) | (123,448) | 141,926
Unrealized gain on investments |  |  | 28 |  | 28
Issuance of common stock upon exercise of stock options |  | 95 |  |  | 95
Issuance of common stock upon exercise of stock options (in shares) | 46,777 |  |  |  |
Vesting of restricted stock units, shares | 5,312 |  |  |  |
Stock based compensation |  | 3,237 |  |  | 3,237
Net loss |  |  |  | (19,563) | (19,563)
Ending balance, shares at Sep. 30, 2023 | 27,653,187 |  |  |  |
Ending balance, value at Sep. 30, 2023 | $ 3 | 268,926 | (195) | (143,011) | 125,723
Beginning balance, shares at Dec. 31, 2023 | 27,762,703 |  |  |  |
Beginning balance, value at Dec. 31, 2023 | $ 3 | 272,640 | 237 | (163,424) | 109,456
Unrealized loss on investments |  |  | 270 |  | 270
Issuance of common stock upon exercise of stock options |  | 704 |  |  | 704
Issuance of common stock upon exercise of stock options (in shares) | 133,282 |  |  |  |
Vesting of restricted stock units, shares | 2,776 |  |  |  |
Stock based compensation |  | 4,200 |  |  | 4,200
Net loss |  |  |  | (23,186) | (23,186)
Ending balance, shares at Mar. 31, 2024 | 27,898,761 |  |  |  |
Ending balance, value at Mar. 31, 2024 | $ 3 | 277,544 | (33) | (186,610) | 90,904
Beginning balance, shares at Dec. 31, 2023 | 27,762,703 |  |  |  |
Beginning balance, value at Dec. 31, 2023 | $ 3 | 272,640 | 237 | (163,424) | $ 109,456
Issuance of common stock upon exercise of stock options (in shares) |  |  |  |  | 265,482
Net loss |  |  |  |  | $ (64,198)
Ending balance, shares at Sep. 30, 2024 | 28,867,711 |  |  |  |
Ending balance, value at Sep. 30, 2024 | $ 3 | 307,888 | 224 | (227,622) | 80,493
Beginning balance, shares at Mar. 31, 2024 | 27,898,761 |  |  |  |
Beginning balance, value at Mar. 31, 2024 | $ 3 | 277,544 | (33) | (186,610) | 90,904
Unrealized loss on investments |  |  | 50 |  | 50
Issuance of common stock in connection with ATM, net |  | 23,635 |  |  | 23,635
Issuance of common stock in connection with ATM, net, shares | 800,000 |  |  |  |
Issuance of common stock upon exercise of stock options |  | 511 |  |  | 511
Issuance of common stock upon exercise of stock options (in shares) | 119,239 |  |  |  |
Issuance of common stock under ESPP |  | 308 |  |  | 308
Issuance of common stock under ESPP, shares | 34,034 |  |  |  |
Vesting of restricted stock units, shares | 2,716 |  |  |  |
Stock based compensation |  | 3,865 |  |  | 3,865
Net loss |  |  |  | (24,775) | (24,775)
Ending balance, shares at Jun. 30, 2024 | 28,854,750 |  |  |  |
Ending balance, value at Jun. 30, 2024 | $ 3 | 305,863 | (83) | (211,385) | 94,398
Unrealized gain on investments |  |  | 307 |  | 307
Issuance of common stock upon exercise of stock options |  | 22 |  |  | 22
Issuance of common stock upon exercise of stock options (in shares) | 12,961 |  |  |  |
Stock based compensation |  | 2,003 |  |  | 2,003
Net loss |  |  |  | (16,237) | (16,237)
Ending balance, shares at Sep. 30, 2024 | 28,867,711 |  |  |  |
Ending balance, value at Sep. 30, 2024 | $ 3 | $ 307,888 | $ 224 | $ (227,622) | $ 80,493

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