Share-Based Compensation Option Roll-Forward (Details) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Stock Option Activity [Roll Forward]
Outstanding balance (options) at December 31, 2012	6,429,250
Options granted (in shares)	2,325,000
Exercised (options)	(60,550)	0
Expired (options)	(1,016,950)
Forfeited (options)	(1,371,650)
Outstanding balance (options) at March 31, 2013	6,305,100
Outstanding balance (weighted average exercise price) at December 31, 2012	$ 1,280.00
Granted (weighted average exercise price)	$ 0.47
Exercised (weighted averaged exercise price)	$ 0.24
Expired (weighted average exercise price)	$ 2.67
Forfeited (weighted average exercise price)	$ 0.63
Outstanding balance (weighted average exercise price) at March 31, 2013	$ 0.91
Weighted Average Remaining Contractual Life, options outstanding	7 years 8 months 12 days
Aggregate Intrinsic Value (in thousands), options outstanding	$ 4
Number of options exercisable at March 31, 2013	3,526,850
Weighted average exercise price of options exercisable at March 31, 2013	$ 1.20
Weighted Average Remaining Contractual Life, options exercisable	6 years 3 months 18 days
Aggregate Intrinsic Value (in thousands), options exercisable	$ 4