SHARE-BASED COMPENSATION - Restricted Stock Unit Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Senior executives and certain other employees under retention program
Restricted stock units issued and outstanding
Granted (in shares)			380,635
RSUs
Share-Based Compensation Awards
Stock-based compensation expenses	$ 169	$ 84	$ 356	$ 158
Restricted stock units issued and outstanding
Outstanding and expected to vest at beginning of period (in shares)			33,355
Granted (in shares)			380,635
Vested (in shares)			(8,846)
Forfeited (in shares)			(40,310)
Outstanding and expected to vest at end of period (in shares)	364,834		364,834		33,355
Weighted average grant price
Weighted average grant price, Outstanding and expected to vest, Beginning of period (in dollars per share)			$ 17.77
Weighted average grant price, Granted (in dollars per share)			4.81
Weighted average grant price, Vested (in dollars per share)			15.89
Weighted average grant price, Forfeited (in dollars per share)			9.55
Weighted average grant price, Outstanding and expected to vest, End of period (in dollars per share)	$ 5.20		$ 5.20		$ 17.77
Unrecognized compensation	$ 1,596		$ 1,596
Weighted average remaining vesting life			2 years 5 months 15 days		1 year 9 months 7 days
RSUs | Research and development expense
Share-Based Compensation Awards
Stock-based compensation expenses	98	74	$ 224	142
RSUs | Selling, general, and administrative
Share-Based Compensation Awards
Stock-based compensation expenses	$ 71	$ 10	$ 132	$ 16