Share-Based Compensation Option Roll-Forward (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Stock Option Activity [Roll Forward]
Outstanding balance (options) at December 31, 2014		3,652,200
Options granted (in shares)		1,300,000
Exercised (options)	(3,300)	(50,000)	(57,300)
Forfeited and Expired (options)		(1,203,500)
Outstanding balance (options) at September 30, 2015		3,698,700.0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding balance (weighted average exercise price) at December 31, 2014		$ 0.67
Granted (weighted average exercise price)		0.42
Exercised (weighted averaged exercise price)	$ 0.65	0.45	$ 0.51
Forfeited and Expired (weighted average exercise price)		0.94
Outstanding balance (weighted average exercise price) at September 30, 2015		$ 0.49
Weighted Average Remaining Contractual Life, options outstanding		8 years 114 days
Aggregate Intrinsic Value (in thousands), options outstanding		$ 0
Number of options exercisable at September 30, 2015		1,806,921
Weighted average exercise price of options exercisable at September 30, 2015		$ 0.54
Weighted Average Remaining Contractual Life, options exercisable		7 years 221 days
Aggregate Intrinsic Value (in thousands), options exercisable		$ 0