FAIR VALUE MEASUREMENTS - Financial Assets and Liabilities Measured at Fair Value (Details) - Recurring - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
FAIR VALUE MEASUREMENTS
Total financial assets	$ 6,367	$ 12,761
Total financial liabilities	23	1,466
Orbimed Warrant liability
FAIR VALUE MEASUREMENTS
Total financial liabilities	23	43
Pre-Funded Warrant liability
FAIR VALUE MEASUREMENTS
Total financial liabilities		1,423
U.S. treasury notes
FAIR VALUE MEASUREMENTS
Total financial assets	6,367	12,761
Level 2
FAIR VALUE MEASUREMENTS
Total financial assets	6,367	12,761
Total financial liabilities		1,423
Level 2 \| Pre-Funded Warrant liability
FAIR VALUE MEASUREMENTS
Total financial liabilities		1,423
Level 2 \| U.S. treasury notes
FAIR VALUE MEASUREMENTS
Total financial assets	6,367	12,761
Level 3
FAIR VALUE MEASUREMENTS
Total financial liabilities	23	43
Level 3 \| Orbimed Warrant liability
FAIR VALUE MEASUREMENTS
Total financial liabilities	$ 23	$ 43

Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.