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STOCK-BASED COMPENSATION - Employee Stock Purchase Plan - Additional Information (Details) - Employee Stock Purchase Plan (ESPP) [Member] - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	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)			11,654	13,915
Proceeds from common stock issued			$ 1,800,000	$ 1,500,000
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	$ 29,000	$ 36,000	$ 101,000	105,000
Research and Development Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Charges to expense	69,000	61,000	206,000	186,000
Cost of Sales [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Charges to expense	$ 54,000	$ 46,000	$ 151,000	$ 121,000

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Employee stock purchase plan ESPP compensation expense.

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The maximum percentage of employees' base compensation that can be allocated under the plan.

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