CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Stock [Member]	Total
Cumulative effect of adopting ASC 606			$ 655			$ 655
Balance at Dec. 31, 2017	$ 210	$ 76,802	(42,870)	$ (1,471)	$ (2,999)	29,672
Balance (in shares) at Dec. 31, 2017	21,024,395				(1,598,911)
Stock-based compensation expense		1,370				1,370
Common stock issued for options exercised (in shares)	213,763
Common stock issued for options exercised	$ 2	37				39
Common stock issued for RSUs vested (in shares)	193,856
Common stock issued for RSUs vested	$ 2	(2)				0
Vested RSU shares withheld to pay taxes		(331)				(331)
Foreign currency translation adjustment				(258)		(258)
Net loss			(1,033)			(1,033)
Balance at Sep. 30, 2018	$ 214	$ 77,876	$ (43,248)	$ (1,729)	$ (2,999)	$ 30,114
Balance (in shares) at Sep. 30, 2018	21,432,014				(1,598,911)