CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - 3 months ended Mar. 31, 2017 - USD ($) $ in Thousands	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance at Dec. 31, 2016	$ 3,494	$ 6	$ 285	$ 284,149	$ (280,875)	$ (71)
Balance (in shares) at Dec. 31, 2016		569	28,470,148
Stock-based compensation expense	70			70
Issuance of common stock from exercise of stock options	$ 1			1
Issuance of common stock from exercise of stock options (shares)	10,000		10,000
Net income	$ 255				255
Foreign currency translation adjustment	(1)					(1)
Ending Balance at Mar. 31, 2017	$ 3,819	$ 6	$ 285	$ 284,220	$ (280,620)	$ (72)
Balance (in shares) at Mar. 31, 2017		569	28,480,148