STOCK-BASED COMPENSATION - Employee Stock Purchase Plan - Additional Information (Details) - Employee Stock Purchase Plan (ESPP) [Member] - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 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)			9,072	8,334
Proceeds from common stock issued			$ 1,100,000	$ 1,200,000
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	$ 33,000	$ 35,000	$ 70,000	72,000
Research and Development Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Charges to expense	46,000	61,000	102,000	137,000
Cost of Sales [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Charges to expense	$ 56,000	$ 46,000	$ 118,000	$ 97,000