CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - 6 months ended Jun. 30, 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	132			132
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	$ 55				55
Foreign currency translation adjustment	(3)					(3)
Ending Balance at Jun. 30, 2017	$ 3,679	$ 6	$ 285	$ 284,282	$ (280,820)	$ (74)
Balance (in shares) at Jun. 30, 2017		569	28,480,148