Fair Value Measurements (Details) $ in Thousands	12 Months Ended
Fair Value Measurements (Details) $ in Thousands	Dec. 31, 2015 USD ($)
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Warrant derivative liabilities	$ 27,266
Fair Value Measurements at Reporting Date Using, Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Warrant derivative liabilities
Fair Value Measurements at Reporting Date Using, Significant Other Observable Inputs (Level 2) [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Warrant derivative liabilities
Fair Value Measurements at Reporting Date Using, Significant Unobservable Inputs (Level 3) [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Warrant derivative liabilities	$ 27,266