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Investment in Available-for-Sale Securities (Details 1) - USD ($)
Mar. 31, 2016
Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]    
Due within one year, Cost $ 991,149  
Due after one year through three years, Cost 415,361  
Due after three years, Cost 199,870  
Available-for-sale Securities, Amortized Cost, Total 1,606,380  
Due within one year, Fair Value 1,011,701  
Due after one year through three years, Fair Value 408,358  
Due after three years, Fair Value 202,097  
Available-for-sale Securities, Fair Value, Total $ 1,622,156 $ 1,776,185