CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net Loss	$ (32,674)	$ (30,890)
Unrealized Loss on Available-for-Sale Investments	(6)	(3)
Foreign Currency Translation Adjustments	1	8
Comprehensive Loss	$ (32,679)	$ (30,885)