STOCK-BASED COMPENSATION - Schedule of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Options
Outstanding, beginning balance (in shares)	5,359,400
Granted (in shares)	2,659,250
Canceled or forfeited (in shares)	(240,241)
Expired (in shares)	(68,124)
Outstanding, ending balance (in shares)	7,710,285	5,359,400
Options vested or expected to vest (in shares)	7,710,285
Options exercisable (in shares)	2,828,178
Weighted Average Exercise Price
Outstanding, beginning balance (in dollars per share)	$ 12.40
Granted (in dollars per share)	2.90
Cancelled or forfeited (in dollars per share)	11.15
Expired (in dollars per share)	28.26
Outstanding, ending balance (in dollars per share)	9.02	$ 12.40
Options vested or expected to vest (in dollars per share)	9.02
Options exercisable (in dollars per share)	$ 14.41
Weighted Average Remaining Life and Intrinsic Value
Options outstanding, remaining life (in years)	8 years 4 months 24 days	7 years 9 months 18 days
Options vested or expected to vest, remaining life (in years)	8 years 4 months 24 days
Options exercisable, remaining life (in years)	7 years
Options outstanding, intrinsic value	$ 116	$ 76
Options vested or expected to vest, intrinsic value	116
Options exercisable, intrinsic value	$ 32