INCOME TAXES - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Operating Loss Carryforwards [Line Items]
Income Tax Expense (Benefit)	$ 0	$ 0
Effective income tax rate (in percent)	0.00%	0.00%
Federal net operating loss carry forwards	$ 183,300
State net operating loss carry forwards	181,600
Less valuation allowance	100,451	$ 97,970
Increased the valuation allowance	2,500	19,700
Unrecognized tax benefits	0	0
Income tax penalties and interest accrued	0	0
Income tax payments	0	0
Income tax refunds	$ 0	0
Unamortized domestic research and development expenditures term	5 years
Domestic Tax Jurisdiction
Operating Loss Carryforwards [Line Items]
Deferred tax assets, tax credit carryforwards	$ 25,000
Unamortized domestic R&D expenditures, remaining amount	25,500	41,400
Unamortized domestic R&D expenditures, remaining amount, gross DTA	7,000	$ 11,400
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Deferred tax assets, tax credit carryforwards	$ 900