Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional paid-in capital	Accumulated deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect from adoption of new accounting standard			$ 100	$ (100)
Balance at Dec. 31, 2015	$ 14,203	$ 44	161,330	(147,171)
Balance (shares) at Dec. 31, 2015	43,898,785	43,898,785
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 545		545
Net loss	(1,407)			(1,407)
Balance at Mar. 31, 2016	$ 13,341	$ 44	$ 161,975	$ (148,678)
Balance (shares) at Mar. 31, 2016	43,898,785	43,898,785