Annual report pursuant to Section 13 and 15(d)

Private Placement (Details)

v2.4.1.9
Private Placement (Details) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Apr. 02, 2014
Private Placement [Line Items]      
Fair value $ 0us-gaap_DerivativeLiabilitiesCurrent $ 6,277,000us-gaap_DerivativeLiabilitiesCurrent  
Convertible Notes Payable [Member]      
Private Placement [Line Items]      
Stock price on valuation date     $ 13.88us-gaap_SharePrice
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
Conversion price $ 3.00us-gaap_DebtInstrumentConvertibleConversionPrice1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
  $ 3.00us-gaap_DebtInstrumentConvertibleConversionPrice1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
Fair value     $ 26,790,177us-gaap_DerivativeLiabilitiesCurrent
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember