Schedule of Share-based Compensation, Stock Options, Activity (Details) (USD $)	3 Months Ended
	Mar. 31, 2013
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 1	$ 4,438,494
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 2	0.18
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 3	0
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 4	0
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 5	0
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 6	0
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 7	(6,750)
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 8	0.16
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 9	$ 4,431,744
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 10	0.18