SUPPLEMENTAL BALANCE SHEET AND CASH FLOW INFORMATION - Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Cash and Cash Equivalents [Line Items]
Accumulated deficit	$ (395,301)		$ (389,737)
Property and equipment purchases in accounts payable	34	$ 224
Common stock issued in exchange for reduction in debt	815	0
Shares issued to settle extension fees for stand-by letters of credit	1,370	0
Cash paid for interest	1,434	1,534
Cumulative Translation Adjustment
Cash and Cash Equivalents [Line Items]
Accumulated deficit	$ 0	$ 22