Summary of Significant Accounting Policies - Financial Liabilities - Derivative Conversion Features and Warrant Liabilities (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Derivative conversion features and warrant liabilities	$ 4,784,435	$ 1,946,669
Level 1 [Member]
Derivative conversion features and warrant liabilities
Level 2 [Member]
Derivative conversion features and warrant liabilities
Level 3 [Member]
Derivative conversion features and warrant liabilities	4,784,435	1,946,669
Carrying Value [Member]
Derivative conversion features and warrant liabilities	$ 4,784,035	$ 1,946,669