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Condensed Statements of Stockholders’ Equity (unaudited) (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2025
Issuance of common stock pursuant to stock option exercises (in shares) |  |  |  |  |  |  | 158,427
Issuance of common stock pursuant to stock option exercises | $ 1 | $ 146 | $ 385 | $ 34 | $ 53 | $ 721 |
Shares withheld for taxes | (53) | (174) | (228) | (68) | (72) | (649) |
Stock-based compensation | $ 2,628 | $ 3,228 | $ 2,626 | $ 2,591 | $ 2,548 | $ 2,540 |
Common Stock |  |  |  |  |  |  |
Issuance of common stock pursuant to stock option exercises (in shares) | 35,455 | 21,671 | 101,301 | 15,261 | 95,008 | 409,045 |
Issuance of common stock upon vesting of restricted stock units (in shares) | 206,933 | 215,924 | 299,535 | 218,743 | 242,518 | 522,483 |
Shares withheld for taxes (in shares) | (5,872) | (11,091) | (17,380) | (9,232) | (9,233) | (37,541) |
Issuance of common stock pursuant to stock option exercises |  |  | $ 1 |  |  |  |
Additional Paid-In Capital |  |  |  |  |  |  |
Issuance of common stock pursuant to stock option exercises | $ 1 | $ 146 | 384 | $ 34 | $ 53 | $ 721 |
Shares withheld for taxes | (53) | (174) | (228) | (68) | (72) | (649) |
Stock-based compensation | $ 2,628 | 3,228 | $ 2,626 | 2,591 | $ 2,548 | $ 2,540 |
Follow-on Offering |  |  |  |  |  |  |
Issuance costs |  | 5,365 |  |  |  |  |
At-the-Market Equity Offering |  |  |  |  |  |  |
Issuance costs |  | $ 15 |  | $ 189 |  |  |

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