STOCK-BASED COMPENSATION - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2023
Stock Options
Beginning balance (in shares)	5,610,893
Granted (in shares)	1,921,200
Exercised (in shares)	(111,206)
Forfeited (in shares)	(14,489)
Expired (in shares)	(6,251)
Ending balance (in shares)	7,400,147
Vested and exercisable (in shares)	3,621,345
Weighted Average Exercise Price
Beginning balance (in dollars per share)	$ 3.36
Granted (in dollars per share)	5.96
Exercised (in dollars per share)	2.92
Forfeited (in dollars per share)	2.88
Expired (in dollars per share)	8.33
Ending balance (in dollars per share)	4.04
Vested and exercisable (in dollars per share)	$ 3.02
Weighted Average Remaining Contractual Life (in years)
Outstanding balance (in years)	7 years 10 months 24 days
Vested and exercisable (in years)	7 years 2 months 12 days
Ending balance, aggregate intrinsic value	$ 9,907
Vested and exercisable, aggregate intrinsic value	$ 7,432