COMMITMENTS AND CONTINGENCIES, AND DEBT - Long-term debt (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
COMMITMENTS AND CONTINGENCIES, AND DEBT
DECD loan, net of issuance costs	$ 1,160	$ 1,277
Less: Current portion, net of issuance costs	(199)	(236)
Total long-term debt, net of issuance costs	$ 961	$ 1,041

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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