Share-Based Compensation Option Roll-Forward (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014	Jun. 30, 2013
Stock Option Activity [Roll Forward]
Outstanding balance (options) at December 31, 2013		4,150,550
Options granted (in shares)		643,700
Exercised (options)	(16,500)	(54,000)	0
Expired (options)		(536,300)
Forfeited (options)		(173,950)
Outstanding balance (options) at March 31, 2014	4,030,000	4,030,000
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 March 31, 2014	$ 0.67	$ 0.67
Weighted Average Remaining Contractual Life, options outstanding		8 years 4 months 2 days
Aggregate Intrinsic Value (in thousands), options outstanding	$ 809	$ 809
Number of options exercisable at March 31, 2014	1,341,450	1,341,450
Weighted average exercise price of options exercisable at March 31, 2014	$ 0.99	$ 0.99
Weighted Average Remaining Contractual Life, options exercisable		6 years 6 months 29 days
Aggregate Intrinsic Value (in thousands), options exercisable	$ 174	$ 174