STOCK-BASED COMPENSATION - Summary of Option Activity - (Details) - 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
Summary of option activity - Shares
Granted (in shares)			1,300
Stock Option
Total fair value of options vested	$ 118		$ 239
Stock-based compensation (in dollars)	$ 38	$ 37	$ 138	$ 110
Stock Options
Summary of option activity - Shares
Outstanding at the beginning of year (in shares)			136,568
Granted (in shares)			1,300
Cancelled/Forfeited (in shares)			(8,546)
Outstanding at the end of period (in shares)	129,322		129,322		136,568
Vested and Exercisable	13,122		13,122
Vested and expected to vest at the end of period (in shares)	129,322		129,322
Summary of option activity - Weighted Average Exercise Price
Outstanding at the beginning of year (in dollars per shares)			$ 36.46
Granted (in dollars per shares)			2.30
Cancelled/Forfeited (in dollars per shares)			137.97
Outstanding at the end of period (in dollars per shares)	$ 29.40		29.40		$ 36.46
Vested and Exercisable	267.65		267.65
Vested and expected to vest at the end of period (in dollars per share)	$ 29.40		$ 29.40
Option activity disclosures
Weighted Average Remaining Contractual Term - Outstanding			8 years 11 months 15 days		9 years 8 months 19 days
Weighted Average Remaining Contractual Term - Vested and expected to vest			7 years 5 months 4 days
Stock Option
Total fair value of options vested	$ 0	0
Stock-based compensation (in dollars)	38	$ 31	$ 138	$ 108
Total unrecognized compensation expense	$ 125		$ 125
Period for unrecognized compensation expense is estimated to be recognized			1 year 10 days