STOCK-BASED COMPENSATION - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Stock Options Outstanding
Outstanding option balance at the beginning of period (in shares)	400,000
Granted (in shares)	0
Exercised (in shares)	0
Forfeited, cancelled, or expired (in shares)	0
Outstanding option balance at the end of period (in shares)	400,000	400,000
Exercisable stock option (in shares)	0
Weighted-Average Exercise Price
Outstanding option balance at the beginning of period (in dollars per share)	$ 1.80
Granted (in dollars per share)	0
Exercised (in dollars per share)	0
Forfeited, cancelled, or expired (in dollars per share)	0
Outstanding option balance at the end of period (in dollars per share)	1.80	$ 1.80
Exercisable stock option (in dollars per share)	$ 0
Stock Options Additional Disclosures
Weighted Average Remaining Contractual Term, Outstanding option balance	9 years 1 month 6 days	9 years 4 months 24 days
Aggregate Intrinsic Value, Outstanding option balance	$ 944	$ 740
Aggregate Intrinsic Value, Exercisable stock option	$ 0