INCOME TAXES - Schedule of reconciliation on income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Amount
Tax (benefit) at the U.S. statutory rate	$ (1,340)	$ (1,299)
State income taxes, net of federal income tax effect	0	0
Change in valuation allowance	1,269	1,237
Stock-based compensation	65	48
Other	6	14
Income Tax Expense (Benefit), Total	$ 0	$ 0
Rate
Tax (benefit) at the U.S. statutory rate	(21.00%)	(21.00%)
State income taxes, net of federal income tax effect	0.00%	0.00%
Change in valuation allowance	19.90%	20.00%
Stock-based compensation	1.00%	0.80%
Other	0.10%	0.20%
Provision for income taxes	0.00%	0.00%
Tax Jurisdiction of Domicile [Extensible Enumeration]	UNITED STATES