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Condensed Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
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 2,383 0 2,383
Net loss $ 0 0 (3,225) (3,225)
Stock option exercises and vesting of restricted stock (in shares) 92,902      
Stock option exercises and vesting of restricted stock $ 0 7 0 7
Relative fair value of warrants issued in connection with debt $ 0 1,170 0 1,170
Employee stock purchase plan (in shares) 55,240      
Employee stock purchase plan $ 0 169 0 169
Balances (in shares) at Sep. 30, 2024 25,836,204      
Balances at Sep. 30, 2024 $ 26 123,250 (107,295) 15,981
Balances (in shares) at Jun. 30, 2024 25,745,802      
Balances at Jun. 30, 2024 $ 26 121,358 (107,922) 13,462
Stock-based compensation 0 722 0 722
Net loss $ 0 0 627 627
Stock option exercises and vesting of restricted stock (in shares) 90,402      
Stock option exercises and vesting of restricted stock $ 0 0 0 0
Relative fair value of warrants issued in connection with debt $ 0 1,170 0 1,170
Balances (in shares) at Sep. 30, 2024 25,836,204      
Balances at Sep. 30, 2024 $ 26 123,250 (107,295) 15,981
Balances (in shares) at Dec. 31, 2024 26,709,084      
Balances at Dec. 31, 2024 $ 27 132,294 (107,893) 24,428
Stock-based compensation 0 4,388 0 4,388
Net loss $ 0 0 (6,084) (6,084)
Stock option exercises and vesting of restricted stock (in shares) 108,451      
Stock option exercises and vesting of restricted stock $ 0 394 0 394
Balances (in shares) at Sep. 30, 2025 26,817,535      
Balances at Sep. 30, 2025 $ 27 137,076 (113,977) 23,126
Balances (in shares) at Jun. 30, 2025 26,817,535      
Balances at Jun. 30, 2025 $ 27 135,984 (112,050) 23,961
Stock-based compensation 0 1,092 0 1,092
Net loss $ 0 0 (1,927) (1,927)
Balances (in shares) at Sep. 30, 2025 26,817,535      
Balances at Sep. 30, 2025 $ 27 $ 137,076 $ (113,977) $ 23,126