CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 446	$ 3,846
Other comprehensive income (loss):
Foreign currency translation adjustment	(44)	49
Net unrealized gain on investments	5	78
Other comprehensive income (loss)	(39)	127
Comprehensive income	$ 407	$ 3,973