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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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