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Investments (Details)
Sep. 30, 2016
USD ($)
Investments, Debt and Equity Securities [Abstract]  
Corporate debt securities, cost $ 15,890,304
Corporate debt securities gross unrealized gains 2,162
Corporate debt securities, unrealized loss (5,027)
Corporate debt securities, fair value 15,887,439
Commercial paper, cost 8,489,465
Available-for-sale securities, amortized cost 24,379,769
Available-for-sale securities, fair value $ 24,376,904