Condensed Consolidated Statement of Stockholders' Equity (USD $) In Thousands, except Share data	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Deficit
Balance at Dec. 31, 2013	$ 74,719	$ 6	$ 167,422		$ (92,709)
Balance, shares at Dec. 31, 2013		55,346,000
Common stock issued for options exercised	1,247		1,247
Common stock issued for options exercised, shares	383,000	383,000
Common stock issued under the employee stock purchase plan	168		168
Common stock issued under the employee stock purchase plan, shares		25,000
Common stock received for settlement of taxes and forfeited restricted stock	(24)			(24)
Common stock received for settlement of taxes and forfeited restricted stock, shares				(52,000)
Issuance of restricted stock				24	(24)
Issuance of restricted stock , shares		33,000		52,000
Stock-based compensation	1,048		1,048
Net loss	(1,392)				(1,392)
Balance at Mar. 31, 2014	$ 75,766	$ 6	$ 169,885		$ (94,125)
Balance, shares at Mar. 31, 2014		55,787,000