STOCKHOLDERS’ EQUITY - Warrants (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Number of Warrants
Outstanding, beginning balance (in shares)	4,568,000
Outstanding, ending balance (in shares)	4,568,000	4,568,000
Weighted-Average Exercise Price
Exercise price of warrants, beginning (in dollars per share)	$ 3.33
Exercise price of warrants, ending (in dollars per share)	$ 3.33	$ 3.33
Weighted-Average Remaining Exercise Period (years)	2 years	2 years 3 months 18 days
Aggregate intrinsic value	$ 0	$ 0
Class of warrant exercised (in shares)	0
Minimum
Weighted-Average Exercise Price
Grant date fair value per warrant (in dollars per share)	$ 0.06
Volatility rate	70.00%
Risk free interest rate	0.30%
Maximum
Weighted-Average Exercise Price
Grant date fair value per warrant (in dollars per share)	$ 0.84
Volatility rate	87.50%
Risk free interest rate	4.20%