Fair Value Measurement Disclosures (Details 1) (USD $) In Millions, unless otherwise specified	1 Months Ended
	Oct. 15, 2013
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Weighted Fair Value	$ 39.5
Yield Method
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Required Rate of Return	20.20%
Discount for Lack of Marketability	31.50%
Weight	12.50%
Weighted Fair Value	5.7
Yield Method | Significant unobservable inputs (Level 3)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Level 3 Fair Value	45.3
Discounted Cash Flow Method
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Discount Rate	10.50%
Long-Term Growth Rate	2.50%
Discount for Lack of Marketability	31.50%
Weight	12.50%
Weighted Fair Value	7.1
Discounted Cash Flow Method | Significant unobservable inputs (Level 3)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Level 3 Fair Value	57.1
Option Pricing Method
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Risk Free Rate	0.68%
Volatility	109.80%
Weight	75.00%
Weighted Fair Value	24.2
Option Pricing Method | Significant unobservable inputs (Level 3)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Level 3 Fair Value	32.3
Yield Discounted Cash Flow And Option Pricing Methods
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Weighted Fair Value	37.0
Series B Preferred Stock
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Weighted Fair Value	$ 2.5