STOCK-BASED COMPENSATION PLANS - Schedule of Stock-Based Compensation Expense in Consolidated Statement of Operations and Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation	$ 3,226	$ 2,676	$ 6,894	$ 4,863
Income Statement Location: us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation	124	183	322	322
Income Statement Location: us-gaap:ResearchAndDevelopmentExpense
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation	565	531	1,621	998
Income Statement Location: us-gaap:RestructuringCharges
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation	64	0	64	0
Income Statement Location: us-gaap:SellingGeneralAndAdministrativeExpense
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation	$ 2,473	$ 1,962	$ 4,887	$ 3,543