Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

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Fair Value Measurements (Details) - USD ($)
Mar. 31, 2016
Dec. 31, 2015
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Estimated fair value of debt $ 4,900,000  
Recurring basis | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in money market funds 16,525,996 $ 21,122,553
Recurring basis | Level 3 | Warrants on Preferred Stock    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities and obligations 37,562 27,606
Recurring basis | Level 3 | Equity Unit Purchase Option [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities and obligations $ 87,719 $ 50,571