Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data		Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]
Balance at Dec. 31, 2013		$ 105,023	$ 49	$ 203,238	$ (98,264)
Balance, Shares at Dec. 31, 2013	[1]		48,842,000
Stock-based compensation		405		405
Exercise of stock options		8		8
Exercise of stock options, Shares		13,838	13,000
Net loss		(7,479)			(7,479)
Balance at Mar. 31, 2014		$ 97,957	$ 49	$ 203,651	$ (105,743)
Balance, Share at Mar. 31, 2014	[1]		48,855,000

[1] Adjusted for 1:5 reverse stock split on March 31, 2014.