Share-Based Compensation Option Roll-Forward (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Stock Option Activity [Roll Forward]
Outstanding balance (options) at December 31, 2011	5,988,500
Granted (options)	2,125,000
Exercised (options)	0
Expired (options)	(822,900)
Forfeited (options)	(861,350)
Outstanding balance (options) at December 31, 2012	6,429,250
Outstanding balance (weighted average exercise price) at December 31, 2011	$ 1.68
Granted (weighted average exercise price)	$ 0.65
Exercised (weighted average exercise price)	$ 0
Expired (weighted average exercise price)	$ 3.12
Forfeited (weighted average exercise price)	$ 0.76
Outstanding balance (weighted average exercise price) at December 31, 2012	$ 1.28
Weighted average remaining contractual life, options outstanding	6 years 10 months 24 days
Aggregate Intrinsic Value (in thousands), options outstanding	$ 14
Number of options exercisable at December 31, 2012	3,105,500
Exercisable (weighted average exercise price)	$ 1.92
Weighted average remaining contractual life, options exercisable	5 years 2 months 12 days
Aggregate intrinsic value (in thousands), options exercisable	$ 7