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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Common stock | Additional Paid in Capital | Accumulated Deficit | Total
--- | --- | --- | --- | ---
Balance at Dec. 31, 2023 | $ 1 | $ 96,182 | $ (89,476) | $ 6,707
Balance (in shares) at Dec. 31, 2023 | 11,711 |  |  |
Common stock issued upon settlement of restricted stock units (in shares) | 235 |  |  |
Issuance of common stock for services (in shares) | 7 |  |  |
Surrender of stock to cover tax liability on settlement of employee stock-based awards |  | (160) |  | (160)
Surrender of stock to cover tax liability on settlement of employee stock-based awards (in shares) | (25) |  |  |
Common stock repurchased for retirement |  |  | (1,686) | (1,686)
Common stock repurchased for retirement (in shares) | (266) |  |  |
Stock-based compensation |  | 883 |  | 883
Net loss |  |  | (829) | (829)
Balance at Mar. 31, 2024 | $ 1 | 96,905 | (91,991) | 4,915
Balance (in shares) at Mar. 31, 2024 | 11,662 |  |  |
Balance at Dec. 31, 2023 | $ 1 | 96,182 | (89,476) | 6,707
Balance (in shares) at Dec. 31, 2023 | 11,711 |  |  |
Net loss |  |  |  | (2,766)
Balance at Sep. 30, 2024 | $ 1 | 101,609 | (94,258) | 7,352
Balance (in shares) at Sep. 30, 2024 | 12,034 |  |  |
Balance at Mar. 31, 2024 | $ 1 | 96,905 | (91,991) | 4,915
Balance (in shares) at Mar. 31, 2024 | 11,662 |  |  |
Issuance of common stock for cash, net of transaction expenses |  | 563 |  | 563
Issuance of common stock for cash, net of transaction expenses (in shares) | 40 |  |  |
Common stock issued upon exercise of options on a cashless basis (in shares) | 17 |  |  |
Common stock issued upon settlement of restricted stock units (in shares) | 141 |  |  |
Issuance of common stock for services (in shares) | 5 |  |  |
Common stock issued pursuant to employee stock purchase plan |  | 53 |  | 53
Common stock issued pursuant to employee stock purchase plan (in shares) | 4 |  |  |
Surrender of stock to cover tax liability on settlement of employee stock-based awards |  | (584) |  | (584)
Surrender of stock to cover tax liability on settlement of employee stock-based awards (in shares) | (28) |  |  |
Common stock repurchased for retirement |  |  | (330) | (330)
Common stock repurchased for retirement (in shares) | (33) |  |  |
Stock-based compensation |  | 975 |  | 975
Net loss |  |  | (735) | (735)
Balance at Jun. 30, 2024 | $ 1 | 97,912 | (93,056) | 4,857
Balance (in shares) at Jun. 30, 2024 | 11,808 |  |  |
Issuance of common stock for cash, net of transaction expenses |  | 2,910 |  | 2,910
Issuance of common stock for cash, net of transaction expenses (in shares) | 123 |  |  |
Common stock issued upon exercise of options on a cashless basis (in shares) | 1 |  |  |
Common stock issued upon settlement of restricted stock units (in shares) | 117 |  |  |
Common stock issued pursuant to employee stock purchase plan | $ 4 |  |  |
Surrender of stock to cover tax liability on settlement of employee stock-based awards |  | (403) |  | (403)
Surrender of stock to cover tax liability on settlement of employee stock-based awards (in shares) | (19) |  |  |
Stock-based compensation |  | 1,190 |  | 1,190
Net loss |  |  | (1,202) | (1,202)
Balance at Sep. 30, 2024 | $ 1 | 101,609 | (94,258) | 7,352
Balance (in shares) at Sep. 30, 2024 | 12,034 |  |  |
Balance at Dec. 31, 2024 | $ 1 | 105,181 | (95,746) | 9,436
Balance (in shares) at Dec. 31, 2024 | 12,285 |  |  |
Common stock issued upon exercise of options on a cashless basis |  | 38 |  | 38
Common stock issued upon exercise of options on a cashless basis (in shares) | 6 |  |  |
Common stock issued upon settlement of restricted stock units (in shares) | 207 |  |  |
Issuance of common stock for services (in shares) | 7 |  |  |
Surrender of stock to cover tax liability on settlement of employee stock-based awards |  | (966) |  | (966)
Surrender of stock to cover tax liability on settlement of employee stock-based awards (in shares) | (60) |  |  |
Stock-based compensation |  | 907 |  | 907
Net loss |  |  | (1,469) | (1,469)
Balance at Mar. 31, 2025 | $ 1 | 105,160 | (97,215) | 7,946
Balance (in shares) at Mar. 31, 2025 | 12,445 |  |  |
Balance at Dec. 31, 2024 | $ 1 | 105,181 | (95,746) | 9,436
Balance (in shares) at Dec. 31, 2024 | 12,285 |  |  |
Net loss |  |  |  | (2,025)
Balance at Sep. 30, 2025 | $ 1 | 107,007 | (101,357) | 5,651
Balance (in shares) at Sep. 30, 2025 | 12,414 |  |  |
Balance at Mar. 31, 2025 | $ 1 | 105,160 | (97,215) | 7,946
Balance (in shares) at Mar. 31, 2025 | 12,445 |  |  |
Common stock issued upon exercise of options on a cashless basis (in shares) | 5 |  |  |
Common stock issued upon settlement of restricted stock units (in shares) | 155 |  |  |
Issuance of common stock for services (in shares) | 9 |  |  |
Common stock issued pursuant to employee stock purchase plan |  | 39 |  | 39
Common stock issued pursuant to employee stock purchase plan (in shares) | 4 |  |  |
Surrender of stock to cover tax liability on settlement of employee stock-based awards |  | (374) |  | (374)
Surrender of stock to cover tax liability on settlement of employee stock-based awards (in shares) | (31) |  |  |
Common stock repurchased for retirement |  |  | (1,765) | (1,765)
Common stock repurchased for retirement (in shares) | (144) |  |  |
Stock-based compensation |  | 1,505 |  | 1,505
Net loss |  |  | (2) | (2)
Balance at Jun. 30, 2025 | $ 1 | 106,330 | (98,982) | 7,349
Balance (in shares) at Jun. 30, 2025 | 12,443 |  |  |
Common stock issued upon settlement of restricted stock units (in shares) | 168 |  |  |
Issuance of common stock for services (in shares) | 7 |  |  |
Surrender of stock to cover tax liability on settlement of employee stock-based awards |  | (604) |  | (604)
Surrender of stock to cover tax liability on settlement of employee stock-based awards (in shares) | (51) |  |  |
Common stock repurchased for retirement |  |  | (1,821) | (1,821)
Common stock repurchased for retirement (in shares) | (153) |  |  |
Stock-based compensation |  | 1,281 |  | 1,281
Net loss |  |  | (554) | (554)
Balance at Sep. 30, 2025 | $ 1 | $ 107,007 | $ (101,357) | $ 5,651
Balance (in shares) at Sep. 30, 2025 | 12,414 |  |  |

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