Fair Value (Details) (Recurring basis, Common stock warrant liability, USD $)	Sep. 30, 2014	Dec. 31, 2013
Significant Other Unobservable Inputs (Level 3)
Fair Value
Financial liabilities	$ 15,529,387	$ 28,829,849
Total
Fair Value
Financial liabilities	$ 15,529,387	$ 28,829,849

Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

No definition available.

Name:	us-gaap_FinancialLiabilitiesFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant