SHARE-BASED COMPENSATION - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards authorized (in shares)	15,184,790
Number of awards available (in shares)	2,153,890
Expected dividend yield	0.00%	0.00%
Options outstanding, weighted average remaining contractual life	8 years 6 months 21 days	8 years 4 months 13 days
Options outstanding, weighted average grant-date fair value (in usd per share)	$ 0.38	$ 1.11
Exercised (in shares)	0	0
Withholding of common shares upon vesting of restricted share units (in shares)	1,000,642	458,102
Options vested, weighted average grant date fair value (in usd per share)	$ 0.72	$ 1.60
Options outstanding (in shares)	5,780,134	3,957,027
Fair value of shares vested	$ 1,450	$ 1,462
Share-based compensation expense	2,100	3,567
Unrecognized share based compensation expense	$ 2,656	$ 3,239
Share-Based Plan, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding, exercise price range (in shares)	985,012
Exercise price, maximum (in usd per share)	$ 0.56
Share-Based Plan, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding, exercise price range (in shares)	4,795,122
Exercise price, maximum (in usd per share)	$ 18.47
Exercise price, minimum (in usd per share)	$ 0.32
Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period	10 years
Prescribed service period	4 years
Unrecognized share based compensation expense, period for recognition	2 years 5 months 26 days	2 years 5 months 26 days
Options | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	1 year
Options | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years
Restricted share units | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	1 year
Restricted share units | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years