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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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SHARE-BASED COMPENSATION - Restricted Stock Unit Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Senior executives and certain other employees under retention program
Restricted stock units issued and outstanding
Granted (in shares)	362,400
RSUs
Share-Based Compensation Awards
Stock-based compensation expenses	$ 187	$ 74
Restricted stock units issued and outstanding
Outstanding and expected to vest at beginning of period (in shares)	33,355
Granted (in shares)	366,655
Vested (in shares)	(7,658)
Forfeited (in shares)	(4,494)
Outstanding and expected to vest at end of period (in shares)	387,858		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)	4.74
Weighted average grant price, Vested (in dollars per share)	13.58
Weighted average grant price, Forfeited (in dollars per share)	18.27
Weighted average grant price, Outstanding and expected to vest, End of period (in dollars per share)	$ 5.48		$ 17.77
Unrecognized compensation	$ 1,896
Weighted average remaining vesting life	2 years 8 months 26 days		1 year 9 months 7 days
RSUs \| Research and development expense
Share-Based Compensation Awards
Stock-based compensation expenses	$ 126	68
RSUs \| Selling, general, and administrative
Share-Based Compensation Awards
Stock-based compensation expenses	$ 61	$ 6