Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Textual)

v2.4.1.9
Summary of Significant Accounting Policies (Details Textual)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Summary Of Significant Accounting Policies [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 33,938,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 18,410,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Maximum [Member]    
Summary Of Significant Accounting Policies [Line Items]    
Property, Plant and Equipment, Useful Life 10 years  
Minimum [Member]    
Summary Of Significant Accounting Policies [Line Items]    
Property, Plant and Equipment, Useful Life 3 years