Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2016	18,669,927	1,240
Balance at Dec. 31, 2016	$ 187	$ (57)	$ 231,627	$ (6,431)	$ (193,971)	$ 31,355
Stock-based compensation (in shares)	862,646
Stock-based compensation	$ 8		522			530
Net loss					(5,101)	(5,101)
Foreign currency translation, net of tax				1,076		1,076
Balance (in shares) at Dec. 31, 2017	19,532,573	1,240
Balance at Dec. 31, 2017	$ 195	$ (57)	232,149	(5,355)	(199,072)	27,860
Stock-based compensation (in shares)	619,456
Stock-based compensation	$ 6		196			202
Net loss					(5,760)	(5,760)
Foreign currency translation, net of tax				(299)		(299)
Balance (in shares) at Dec. 31, 2018	20,152,029	1,240
Balance at Dec. 31, 2018	$ 201	$ (57)	$ 232,345	$ (5,654)	$ (204,832)	$ 22,003