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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Retained Deficit | Accumulated Other Comprehensive Loss | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2022 |  |  | 20,631,000 |  |  |  |
Beginning balance at Dec. 31, 2022 | $ 158,438 |  | $ 206 | $ 160,475 | $ 13,718 | $ (4,110) | $ (11,851)
Beginning balance, treasury stock (in shares) at Dec. 31, 2022 |  |  |  |  |  |  | (1,433,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net loss | (3,229) |  |  |  | (3,229) |  |
Other comprehensive income (loss) | (112) | [1] |  |  |  | (112) |
Stock-based compensation | 1,433 |  |  | 1,433 |  |  |
Issuance of common stock under employee stock purchase plan (in shares) |  |  | 17,000 |  |  |  |
Issuance of common stock under employee stock purchase plan | 123 |  |  | 123 |  |  |
Acquisition of treasury stock (in shares) |  |  |  |  |  |  | (23,000)
Acquisition of treasury stock | (239) |  |  |  |  |  | $ (239)
Exercise of stock options and issuance of restricted stock awards, net of forfeitures (in shares) |  |  | 419,000 |  |  |  |
Exercise of stock options and issuance of restricted stock awards, net of forfeitures | 2,479 |  | $ 5 | 2,474 |  |  |
Ending balance (in shares) at Sep. 30, 2023 |  |  | 21,067,000 |  |  |  |
Ending balance at Sep. 30, 2023 | 158,893 |  | $ 211 | 164,505 | 10,489 | (4,222) | $ (12,090)
Ending balance, treasury stock (in shares) at Sep. 30, 2023 |  |  |  |  |  |  | (1,456,000)
Beginning balance (in shares) at Jun. 30, 2023 |  |  | 20,969,000 |  |  |  |
Beginning balance at Jun. 30, 2023 | 162,713 |  | $ 210 | 163,690 | 14,858 | (3,955) | $ (12,090)
Beginning balance, treasury stock (in shares) at Jun. 30, 2023 |  |  |  |  |  |  | (1,456,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net loss | (4,369) |  |  |  | (4,369) |  |
Other comprehensive income (loss) | (267) | [1] |  |  |  | (267) |
Stock-based compensation | 559 |  |  | 559 |  |  |
Issuance of common stock under employee stock purchase plan (in shares) |  |  | 17,000 |  |  |  |
Issuance of common stock under employee stock purchase plan | 123 |  |  | 123 |  |  |
Exercise of stock options and issuance of restricted stock awards, net of forfeitures (in shares) |  |  | 81,000 |  |  |  |
Exercise of stock options and issuance of restricted stock awards, net of forfeitures | 134 |  | $ 1 | 133 |  |  |
Ending balance (in shares) at Sep. 30, 2023 |  |  | 21,067,000 |  |  |  |
Ending balance at Sep. 30, 2023 | $ 158,893 |  | $ 211 | 164,505 | 10,489 | (4,222) | $ (12,090)
Ending balance, treasury stock (in shares) at Sep. 30, 2023 |  |  |  |  |  |  | (1,456,000)
Beginning balance (in shares) at Dec. 31, 2023 | 19,610,790 |  | 21,067,000 |  |  |  |
Beginning balance at Dec. 31, 2023 | $ 147,372 |  | $ 211 | 165,140 | (1,704) | (4,185) | $ (12,090)
Beginning balance, treasury stock (in shares) at Dec. 31, 2023 | (1,456,109) |  |  |  |  |  | (1,456,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net loss | $ (6,738) |  |  |  | (6,738) |  |
Other comprehensive income (loss) | 328 | [1] |  |  |  | 328 |
Stock-based compensation | 1,629 |  |  | 1,629 |  |  |
Issuance of common stock under employee stock purchase plan (in shares) |  |  | 24,000 |  |  |  |
Issuance of common stock under employee stock purchase plan | 95 |  |  | 95 |  |  |
Exercise of stock options and issuance of restricted stock awards, net of forfeitures (in shares) |  |  | 164,000 |  |  |  |
Exercise of stock options and issuance of restricted stock awards, net of forfeitures | $ 12 |  | $ 2 | 10 |  |  |
Ending balance (in shares) at Sep. 30, 2024 | 19,799,122 |  | 21,255,000 |  |  |  |
Ending balance at Sep. 30, 2024 | $ 142,698 |  | $ 213 | 166,874 | (8,442) | (3,857) | $ (12,090)
Ending balance, treasury stock (in shares) at Sep. 30, 2024 | (1,456,109) |  |  |  |  |  | (1,456,000)
Beginning balance (in shares) at Jun. 30, 2024 |  |  | 21,170,000 |  |  |  |
Beginning balance at Jun. 30, 2024 | $ 143,378 |  | $ 212 | 166,490 | (7,243) | (3,991) | $ (12,090)
Beginning balance, treasury stock (in shares) at Jun. 30, 2024 |  |  |  |  |  |  | (1,456,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net loss | (1,199) |  |  |  | (1,199) |  |
Other comprehensive income (loss) | 134 | [1] |  |  |  | 134 |
Stock-based compensation | 385 |  |  | 385 |  |  |
Exercise of stock options and issuance of restricted stock awards, net of forfeitures (in shares) |  |  | 85,000 |  |  |  |
Exercise of stock options and issuance of restricted stock awards, net of forfeitures | $ 0 |  | $ 1 | (1) |  |  |
Ending balance (in shares) at Sep. 30, 2024 | 19,799,122 |  | 21,255,000 |  |  |  |
Ending balance at Sep. 30, 2024 | $ 142,698 |  | $ 213 | $ 166,874 | $ (8,442) | $ (3,857) | $ (12,090)
Ending balance, treasury stock (in shares) at Sep. 30, 2024 | (1,456,109) |  |  |  |  |  | (1,456,000)
[1] | Tax impact was nominal for all periods.

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