Share-Based Compensation Option Roll-Forward (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014
Stock Option Activity [Roll Forward]
Outstanding balance (options) at December 31, 2013		4,150,550
Options granted (in shares)		649,700
Exercised (options)	(3,300)	(57,300)
Expired (options)		(582,800)
Forfeited (options)		(185,450)
Outstanding balance (options) at September 30, 2014	3,974,700	3,974,700
Outstanding balance (weighted average exercise price) at December 31, 2013		$ 0.75
Granted (weighted average exercise price)		$ 0.58
Exercised (weighted averaged exercise price)	$ 0.65	$ 0.51
Expired (weighted average exercise price)		$ 1.19
Forfeited (weighted average exercise price)		$ 0.37
Outstanding balance (weighted average exercise price) at September 30, 2014	$ 0.68	$ 0.68
Weighted Average Remaining Contractual Life, options outstanding		8 years 1 month 17 days
Aggregate Intrinsic Value (in thousands), options outstanding	$ 353	$ 353
Number of options exercisable at September 30, 2014	2,037,850	2,037,850
Weighted average exercise price of options exercisable at September 30, 2014	$ 0.82	$ 0.82
Weighted Average Remaining Contractual Life, options exercisable		7 years 3 months
Aggregate Intrinsic Value (in thousands), options exercisable	$ 162	$ 162