Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details)

v2.4.1.9
Summary of Significant Accounting Policies (Details)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Estimated dividends    0.00%us-gaap_FairValueAssumptionsExpectedDividendRate
Expected volatility 108.00%us-gaap_FairValueAssumptionsWeightedAverageVolatilityRate 108.00%us-gaap_FairValueAssumptionsWeightedAverageVolatilityRate
Risk-free interest rate   1.11%us-gaap_FairValueAssumptionsRiskFreeInterestRate
Expected term 6 years 29 days 6 years 29 days
Minimum [Member]    
Expected volatility 79.00%us-gaap_FairValueAssumptionsWeightedAverageVolatilityRate
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
 
Risk-free interest rate 0.25%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
 
Expected term 1 year 1 month 28 days  
Maximum [Member]    
Expected volatility 103.00%us-gaap_FairValueAssumptionsWeightedAverageVolatilityRate
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
 
Risk-free interest rate 2.11%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
 
Expected term 9 years 18 days