SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Accrued Warranty Liability (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Movement in Standard Product Warranty Accrual [Roll Forward]
Beginning balance	$ 131	$ 222
Estimated future warranty expense	65	25
Warranty claims settled	(100)	(116)
Ending balance	$ 96	$ 131