Share-Based Compensation Option Roll-Forward (Details) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended		3 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Mar. 31, 2013	Mar. 31, 2012
Stock Option Activity [Roll Forward]
Outstanding balance (options) at December 31, 2012			6,429,250
Granted (options)	1,745,000	500,000	0
Exercised (options)			0	0
Expired (options)			(534,250)
Forfeited (options)			(12,500)
Outstanding balance (options) at March 31, 2013			5,882,500
Outstanding balance (weighted average exercise price) at December 31, 2012			$ 1.28
Granted (weighted average exercise price)			$ 0.00
Exercised (weighted averaged exercise price)			$ 0
Expired (weighted average exercise price)			$ 4.47
Forfeited (weighted average exercise price)			$ 0.72
Outstanding balance (weighted average exercise price) at March 31, 2013			$ 1.00
Weighted Average Remaining Contractual Life, options outstanding			7 years 5 months 12 days
Aggregate Intrinsic Value (in thousands), optons outstanding			$ 21
Number of options exercisable at March 31, 2013			2,602,500
Weighted average exercise price of options exercisable at March 31, 2013			$ 1.38
Weighted Average Remaining Contractual Life, options exercisable			6 years 0 months 14 days
Aggregate Intrinsic Value (in thousands), options exercisable			$ 15