CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2013	$ 195	$ 72,205	$ (38,815)	$ (614)	$ (2,999)	$ 29,972
Balance (in shares) at Dec. 31, 2013	19,486,770				(1,598,911)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense		712				712
Net issuances of stock pursuant to stock compensation plans	$ 0	0				0
Net issuances of stock pursuant to stock compensation plans (in shares)	0
Foreign currency translation adjustment				(617)		(617)
Non-cash income tax adjustment				0		0
Treasury stock at cost					$ 0	0
Treasury stock at cost (in shares)					0
Net loss			(7,329)			(7,329)
Balance at Dec. 31, 2014	$ 195	72,917	(46,144)	(1,231)	$ (2,999)	$ 22,738
Balance (in shares) at Dec. 31, 2014	19,486,770				(1,598,911)	17,887,859
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense		526				$ 526
Common stock issued for options exercised (in shares)	14,000
Common stock issued for options exercised		23				23
Common stock issued for services provided (in shares)	10,000
Common stock issued for services provided		15				15
Foreign currency translation adjustment				(229)		(229)
Net loss			(4,705)			(4,705)
Balance at Dec. 31, 2015	$ 195	$ 73,481	$ (50,849)	$ (1,460)	$ (2,999)	$ 18,368
Balance (in shares) at Dec. 31, 2015	19,510,770				(1,598,911)	17,911,859