STOCKHOLDERS' EQUITY - Activity in stockholders' equity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)	1,035,893
Beginning Balance	$ 2,511	$ 6,351
Stock-based compensation	91	85
Issuance of common stock, net	1,066
Issuance of common stock upon exercise of warrants, net	889	6
Net loss	$ (1,665)	(1,832)
Ending Balance (in shares)	1,775,930
Ending Balance	$ 2,892	$ 4,610
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)	1,035,893	514,003
Beginning Balance	$ 1	$ 1
Issuance of common stock, net of issuance costs (in shares)	365,319
Issuance of common stock upon exercise of warrants (in shares)	374,718	460
Issuance of common stock upon exercise of warrants, net	$ 1
Ending Balance (in shares)	1,775,930	514,463
Ending Balance	$ 2	$ 1
Additional Paid-In Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	138,607	136,263
Stock-based compensation	91	85
Issuance of common stock, net	1,066
Issuance of common stock upon exercise of warrants, net	888	6
Ending Balance	140,652	136,354
Accumulated Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(136,097)	(129,913)
Net loss	(1,665)	(1,832)
Ending Balance	$ (137,762)	$ (131,745)