SHARE-BASED COMPENSATION - Restricted Stock Unit Activity (Details) - RSUs - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Share-Based Compensation Awards
Stock-based compensation expenses	$ 181	$ 84	$ 537	$ 242
Restricted stock units issued and outstanding
Outstanding and expected to vest at beginning of period (in shares)			33,355
Granted (in shares)			380,636
Vested (in shares)			(10,272)
Forfeited (in shares)			(45,088)
Outstanding and expected to vest at end of period (in shares)	358,631		358,631		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)			18.00
Weighted average grant price, Forfeited (in dollars per share)			9.15
Weighted average grant price, Outstanding and expected to vest, End of period (in dollars per share)	$ 5.09		$ 5.09		$ 17.77
Unrecognized compensation	$ 1,379		$ 1,379
Weighted average remaining vesting life			2 years 2 months 19 days		1 year 9 months 7 days
Continuing employees under retention program
Restricted stock units issued and outstanding
Granted (in shares)			380,636
Research and development expense
Share-Based Compensation Awards
Stock-based compensation expenses	96	74	$ 320	215
Selling, general, and administrative
Share-Based Compensation Awards
Stock-based compensation expenses	$ 85	$ 10	$ 217	$ 27