STOCK-BASED COMPENSATION - Summary of Options Outstanding and Weighted Average Exercise Price (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Number of Shares
Options outstanding, beginning balance (in shares)	15,341,356
Granted (in shares)	3,550,900
Exercised (in shares)	0
Forfeited or expired (in shares)	(197,000)
Options outstanding, ending balance (in shares)	18,695,256	15,341,356
Vested and exercisable, ending balance (in shares)	10,395,628
Weighted Average Exercise Price
Options outstanding, beginning balance (in dollars per share)	$ 3.49
Granted (in dollars per share)	0.63
Exercised (in dollars per share)	0
Forfeited or expired (in dollars per share)	2.96
Options outstanding, ending balance (in dollars per share)	2.95	$ 3.49
Vested and exercisable (in dollars per share)	$ 4.02
Weighted Average Remaining Contractual Life in Years and Aggregate Intrinsic Value
Weighted Average Remaining Contractual Life in Years, Options outstanding	6 years 5 months 26 days	5 years 10 months 13 days
Weighted Average Remaining Contractual Life in Years, Vested and exercisable	4 years 8 months 23 days
Aggregate Intrinsic Value, Options outstanding	$ 0	$ 0
Aggregate Intrinsic Value, Vested and exercisable	$ 0