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v3.25.1

Statements of Stockholders' Equity - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | ---
Balances (in shares) at Dec. 31, 2020 | 24,626,004 |  |  |
Balances at Dec. 31, 2020 | $ 25 | $ 111,718 | $ (94,113) | $ 17,630
Stock-based compensation | $ 0 | 4,218 | 0 | 4,218
Stock option exercises (in shares) | 25,000 |  |  |
Stock option exercises | $ 0 | 35 | 0 | 35
Employee stock purchase plan (in shares) | 69,884 |  |  |
Employee stock purchase plan | $ 0 | 171 | 0 | 171
Common stock issued related to restricted stock units (in shares) | 0 |  |  |
Common stock issued related to restricted stock units | $ 0 | 0 | 0 | 0
Stock warrant exercises (in shares) | 632,231 |  |  |
Stock warrant exercises | $ 0 | 45 | 0 | 45
Net income (loss) | $ 0 | 0 | (9,021) | (9,021)
Balances (in shares) at Dec. 31, 2022 | 25,353,119 |  |  |
Balances at Dec. 31, 2022 | $ 25 | 116,187 | (103,134) | 13,078
Stock-based compensation | $ 0 | 3,137 | 0 | $ 3,137
Stock option exercises (in shares) |  |  |  | 207,626
Employee stock purchase plan (in shares) | 86,782 |  |  | 86,782
Employee stock purchase plan | $ 0 | 229 | 0 | $ 229
Net income (loss) | $ 0 | 0 | (936) | (936)
Stock option exercises and vesting of restricted stock units (in shares) | 299,028 |  |  |
Stock option exercises and vesting of restricted stock units | $ 1 | 148 | 0 | $ 149
Shares withheld related to net share settlement of stock option exercises (in shares) | (50,867) |  |  | (50,867)
Shares withheld related to net share settlement of stock option exercises | $ 0 | (180) | 0 | $ (180)
Balances (in shares) at Dec. 31, 2023 | 25,688,062 |  |  |
Balances at Dec. 31, 2023 | $ 26 | 119,521 | (104,070) | 15,477
Stock-based compensation | $ 0 | 3,165 | 0 | $ 3,165
Stock option exercises (in shares) |  |  |  | 266,353
Employee stock purchase plan (in shares) | 80,933 |  |  | 80,933
Employee stock purchase plan | $ 0 | 248 | 0 | $ 248
Net income (loss) | $ 0 | 0 | (3,823) | (3,823)
Stock option exercises and vesting of restricted stock units (in shares) | 356,755 |  |  |
Stock option exercises and vesting of restricted stock units | $ 0 | 1,191 | 0 | 1,191
Common stock issued in private placement offering (in shares) | 583,334 |  |  |
Common stock issued in private placement offering | $ 1 | 6,999 | 0 | 7,000
Relative fair value of warrants issued in connection with debt | $ 0 | 1,170 | 0 | 1,170
Balances (in shares) at Dec. 31, 2024 | 26,709,084 |  |  |
Balances at Dec. 31, 2024 | $ 27 | $ 132,294 | $ (107,893) | $ 24,428

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