Summary of Significant Accounting Policies - Warrants, Preferred and Common Stock (Details) (USD $)	12 Months Ended				0 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2011 Common Stock Ten-year Distributor Incentive Warrants	May 06, 2009 Common Stock Warrants Issued on May 6, 2009 Ten-year Distributor Incentive Warrants	Mar. 31, 2011 Series D Preferred Stock	Mar. 31, 2011 Series C Preferred Stock	May 06, 2009 Minimum Common Stock Warrants Issued on May 6, 2009 Ten-year Distributor Incentive Warrants	May 06, 2009 Maximum Common Stock Warrants Issued on May 6, 2009 Ten-year Distributor Incentive Warrants
Class of Warrant or Right [Line Items]
Preferred Stock, Accretion of Redemption Discount			$ 5,200,000
Class of Warrant or Right, Warrants or Rights Exercisable Period					10 years
Number of shares purchasable upon warrant exercise	4,700,000					140,625	380,000	0	886,096
Warrants exercise price (in usd per share)	80.06				0.53
Change In Fair Value Of Warrant	$ 0	$ 0	$ (2,500,000)	$ (2,500,000)