INTANGIBLE ASSETS, NET - Aggregate intangible asset amortization expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
INTANGIBLE ASSETS, NET
Total amortization expense	$ 104	$ 165	$ 207	$ 326
Cost of goods sold
INTANGIBLE ASSETS, NET
Total amortization expense	2	3	5	6
Research and development
INTANGIBLE ASSETS, NET
Total amortization expense	$ 102	$ 162	$ 202	$ 320