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STOCK-BASED COMPENSATION - Employee Stock Purchase Plan - Additional Information (Details) - Employee Stock Purchase Plan (ESPP) [Member] - USD ($)
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Jun. 25, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Reserved for issuance (in shares)     1,000,000
Percentage of market value (in hundredths) 85.00%    
Maximum allocation of base compensation (in hundredths) 10.00%    
Maximum shares per purchase date (in shares) 12,500    
Maximum value per calendar year, per employee $ 25,000    
Common stock issued (in shares) 4,881 4,463  
Proceeds from common stock issued $ 579,000 $ 639,000  
Employee Stock Purchase Plan ESPP Purchase Period1 3 months    
Selling, General and Administrative Expense [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Charges to expense $ 37,000 37,000  
Research and Development Expense [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Charges to expense 56,000 76,000  
Cost of Sales [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Charges to expense $ 62,000 $ 51,000