Schedule of Disclosure of Share-based Compensation Arrangements by Share-based Payment Award (Details) (USD $)	9 Months Ended
Sep. 30, 2013
Stock-based Compensation Schedule Of Disclosure Of Share-based Compensation Arrangements By Share-based Payment Award 1	$ 4,431,744
Stock-based Compensation Schedule Of Disclosure Of Share-based Compensation Arrangements By Share-based Payment Award 2	1.9
Stock-based Compensation Schedule Of Disclosure Of Share-based Compensation Arrangements By Share-based Payment Award 3	18
Stock-based Compensation Schedule Of Disclosure Of Share-based Compensation Arrangements By Share-based Payment Award 4	0
Stock-based Compensation Schedule Of Disclosure Of Share-based Compensation Arrangements By Share-based Payment Award 5	4,224,994
Stock-based Compensation Schedule Of Disclosure Of Share-based Compensation Arrangements By Share-based Payment Award 6	2
Stock-based Compensation Schedule Of Disclosure Of Share-based Compensation Arrangements By Share-based Payment Award 7	18
Stock-based Compensation Schedule Of Disclosure Of Share-based Compensation Arrangements By Share-based Payment Award 8	$ 0

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