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Equity Incentive Plan (Details Textual) - Restricted Stock [Member]
9 Months Ended
Sep. 30, 2015
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Fair Value Inputs Forfeiture Rate 0.00%
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 4,421,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 3 years 1 month 6 days