Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 774	$ 2,827
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments	174	(255)
Unrealized gains on available-for-sale securities:
Unrealized gains	138	26
Reclassification adjustment for gains included in net income	0	(3)
Total unrealized gains on available-for-sale securities	138	23
Other comprehensive income (loss), before tax	312	(232)
Income tax provision	(28)	(5)
Other comprehensive income (loss), net of tax	284	(237)
Total comprehensive income	$ 1,058	$ 2,590