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Investment in Available-for-Sale Securities (Details 1) - USD ($)
Sep. 30, 2015
Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]    
Due within one year, Cost $ 784,815  
Due after one year through three years, Cost 929,334  
Due after three years, Cost 277,828  
Available-for-sale Securities, Amortized Cost, Total 1,991,977  
Due within one year, Fair Value 781,679  
Due after one year through three years, Fair Value 935,184  
Due after three years, Fair Value 278,141  
Available-for-sale Securities, Fair Value, Total $ 1,995,004 $ 1,932,801