FAIR VALUE MEASUREMENTS - Schedule of Fair Value, Liabilities Measured on Recurring Basis (Details) - Q1 - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Quoted Prices in Active Markets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrant liability	$ 0	$ 0
Total liabilities	0
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrant liability	0	0
Total liabilities	0
Significant Other Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrant liability	1	$ 3
Total liabilities	$ 1