INTANGIBLE ASSETS, NET, AND GOODWILL - Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Roll Forward]
Balance at the beginning of the period	$ 831	$ 817
Effect of currency translation	80	14
Balance at the end of the period	$ 911	$ 831