Schedule of Share-based Compensation, Stock Options, Activity (Details) (USD $)	12 Months Ended
	Dec. 31, 2012
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 1	$ 4,551,674
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 2	47
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 3	2,739,243
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 4	0.14
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	(1,542,632)
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 8	0.36
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 9	5,748,285
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 10	0.34
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 11	0
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 12	0
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 13	0
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 14	0
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 15	(1,309,791)
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 16	0.87
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 17	4,438,494
Stock-based Compensation Schedule Of Share-based Compensation, Stock Options, Activity 18	$ 18