SHARE-BASED COMPENSATION PLANS - Expense by Classification (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total	$ 559	$ 599
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total	217	294
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total	$ 342	$ 305