STOCKHOLDERS' EQUITY - Warrants (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
STOCKHOLDERS' EQUITY
Number of Shares, Outstanding at ending balance	342,000
Warrant
STOCKHOLDERS' EQUITY
Number of Shares, Outstanding at beginning balance	80,000
Number of Shares, Exercised	(16,000)
Number of Shares, Forfeited	(4,000)
Number of Shares, Outstanding at ending balance	60,000	80,000
Weighted Average Exercise Price, Outstanding at beginning balance	$ 2.43
Weighted Average Exercise Price, Exercised	2.27
Weighted Average Exercise Price, Outstanding at ending balance	$ 2.48	$ 2.43
Weighted Average Remaining Contractual Life (Years)	6 months 7 days	9 months 3 days
Aggregate Intrinsic Value, Outstanding	$ 593	$ 677