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Investment in Available-for-Sale Securities (Details 1) - USD ($)
Jun. 30, 2016
Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]    
Due within one year, Cost $ 975,209  
Due after one year through three years, Cost 220,371  
Due after three years, Cost 177,051  
Available-for-sale Securities, Amortized Cost, Total 1,372,631  
Due within one year, Fair Value 987,632  
Due after one year through three years, Fair Value 222,476  
Due after three years, Fair Value 181,046  
Available-for-sale Securities, Fair Value, Total $ 1,391,154 $ 1,776,185