NATURE OF OPERATIONS (Details)	3 Months Ended
	Mar. 31, 2025 USD ($) segment patient	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Number of patients enrolled | patient	45
Number of reportable segments | segment	1
Cash and investments	$ 50,300,000
Accumulated deficit	739,781,000		$ 731,170,000
Debt outstanding	0
Net loss	8,611,000	$ 6,249,000
Cash used in operations	11,461,000	$ 7,981,000
Lincoln Park Equity Purchase Agreement
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Sale of stock, public float threshold	$ 75,000,000