SHARE-BASED COMPENSATION - Fair Value Inputs (Details) - $ / shares	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility	88.80%	83.40%
Risk-free interest rate	3.40%	3.30%
Expected dividend yield	0.00%	0.00%
Value of underlying share (in usd per share)	$ 0.36	$ 0.31
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (years)	5 years 6 months	5 years 6 months
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (years)	6 years 6 months	6 years 6 months