Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding (Details) (USD $)	9 Months Ended
	Sep. 30, 2013
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 1	$ 1,345,000
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 2	0.82
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 3	0.49
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 4	2,917,000
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 5	0.31
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 6	0.16
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 7	(2,049,250)
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 8	0.64
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 9	0.37
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 10	0
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 11	0
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 12	0
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 13	2,212,750
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 14	0.31
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 15	0.16
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 16	3,215,000
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 17	0.42
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 18	0.25
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 19	(2,287,250)
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 20	0.35
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 21	0.23
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 22	0
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 23	0
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 24	0
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 25	$ 3,140,500
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 26	0.39
Stock Based Compensation Schedule Of Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding 27	0.23