NATURE OF OPERATIONS (Details)				12 Months Ended
	Nov. 01, 2023 USD ($)	Oct. 27, 2023 $ / shares shares	Feb. 10, 2023	Dec. 31, 2024 USD ($) segment $ / shares shares	Dec. 31, 2023 USD ($) shares
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Number of reportable segments | segment				1
Reverse stock split ratio			0.0555
Outstanding warrants to purchase common stock (in shares) | shares				27,509	27,509
Warrant exercise price (in dollars per share) | $ / shares				$ 8.40
Cash, cash equivalents and restricted cash				$ 61,500,000
Accumulated deficit				731,170,000	$ 691,336,000
Debt outstanding				0
Net income (Loss)				(39,834,000)	(28,452,000)
Net cash used in operating activities				33,972,000	25,341,000
Private Placement
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Number of shares issued in transaction (in shares) | shares		10,652,543
Price per share (in dollars per share) | $ / shares		$ 2.245
Consideration received in a transaction	$ 88,200,000
Payments of stock issuance costs				5,486,000	5,500,000
Net proceeds from private placement					$ 82,665,000
Pre-Funded Warrants
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Outstanding warrants to purchase common stock (in shares) | shares		28,614,437
Warrant exercise price (in dollars per share) | $ / shares		$ 0.0001
Lincoln Park Equity Purchase Agreement
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Sale of stock, public float threshold				$ 75,000,000