INTANGIBLE ASSETS, NET, AND GOODWILL - Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets, Net [Abstract]
Intangible assets, gross	$ 3,022	$ 2,690
Less: Accumulated amortization	(383)	(571)
Total amortization expense	2,639	2,119
Impact of foreign currency translation	7	17
Patents
Finite-Lived Intangible Assets, Net [Abstract]
Intangible assets, gross	2,738	2,399
Other
Finite-Lived Intangible Assets, Net [Abstract]
Intangible assets, gross	$ 284	$ 291