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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.