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Significant Accounting Policies and Recent Accounting Pronouncements (Details Textual)
In Millions, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Significant Accounting Policies [Line Items]    
Policy For Maximum Maturity Days Of Investments Considered As Cash Equivalents 90 days  
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 40.1 36.1