STOCK-BASED COMPENSATION - Stock Options Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Shares
Options exercised (in shares)	(133,206)	(22,631)
Stock Options | The 2014 Plan
Shares
Options outstanding at the beginning of the period (in shares)	3,270,479
Options granted (in shares)	755,680
Options exercised (in shares)	(133,206)
Options forfeited (in shares)	(77,804)
Options expired (in shares)	(17,330)
Options outstanding at the end of the period (in shares)	3,797,819	3,270,479
Options vested and expected to vest at the end of the period (in shares)	3,797,819
Options exercisable at the end of the period (in shares)	1,707,697
Weighted- Average Exercise Price
Options outstanding at the beginning of the period (in dollars per share)	$ 2.62
Options granted (in dollars per share)	5.10
Options exercised (in dollars per share)	1.50
Options forfeited (in dollars per share)	3.96
Options expired (in dollars per share)	29.15
Options outstanding at the end of the period (in dollars per share)	3.00	$ 2.62
Options vested and expected to vest at the end of the period (in dollars per share)	3.00
Options exercisable at the end of the period (in dollars per share)	$ 2.97
Weighted- Average Remaining Contractual Term (years)
Options outstanding at the end of the period	7 years 6 months
Options vested and expected to vest at the end of the period	7 years 6 months
Options exercisable at the end of the period	7 years 9 months 18 days
Aggregate Intrinsic Value
Options outstanding at the end of the period	$ 0
Options vested and expected to vest at the end of the period	0
Options exercisable at the end of the period	$ 0