Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Statement Of Income And Comprehensive Income [Abstract]
NET LOSS	$ (63,126)	$ (58,789)
OTHER COMPREHENSIVE INCOME:
Foreign currency translation adjustments	(48)	17
Other comprehensive income (loss)	(48)	17
COMPREHENSIVE LOSS	$ (63,174)	$ (58,772)