INCOME TAXES - Effective Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Amount [Abstract]
U.S. federal statutory tax expense	$ (6,260)	$ (6,259)
State taxes, net of federal benefit	(785)	(1,288)
Share based compensation	205	323
Change in fair value of financial instruments and other	1,106	(171)
Disallowed convertible debt expense	1,516	214
Change in valuation allowance	4,583	6,525
R&D credit	(242)	(53)
Rate change	93	47
Other, net	(284)	701
Income tax benefit (expense)	$ (68)	$ 39
Effective Income Tax Rate Reconciliation, Percent [Abstract]
U.S. federal statutory tax expense	21.00%	21.00%
State taxes, net of federal benefit	2.60%	4.30%
Share based compensation	(0.70%)	(1.10%)
Change in fair value of financial instruments and other	(3.70%)	0.60%
Disallowed convertible debt expense	(5.10%)	(0.70%)
Changed in valuation allowance	(15.40%)	(21.90%)
R&D credit	0.80%	0.20%
Rate change	(0.30%)	(0.20%)
Other, net	1.00%	(2.40%)
Income tax (benefit) expense	0.20%	(0.10%)