FAIR VALUE MEASUREMENTS - Assets, Liabilities, Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Gain on fair value adjustments included in earnings	$ (424)	$ (384)
Foxconn warrants
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Derivative liability, ending balance	300
Fair Value, Inputs, Level 3 | Private warrants
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Derivative liability, beginning balance	254
Gain on fair value adjustments included in earnings	(254)
Derivative liability, ending balance		254
Fair Value, Inputs, Level 3 | Foxconn warrants
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Derivative liability, beginning balance	170
Gain on fair value adjustments included in earnings	$ (170)
Derivative liability, ending balance		$ 170