Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Details)

v3.6.0.2
Fair Value Measurements (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Fair Value, Inputs, Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Estimated fair value of debt $ 2,400,000  
Recurring basis | Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Investments in money market funds 4,758,539 $ 21,122,553
Recurring basis | Level 3 | Warrant liability    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Liabilities and obligations 5,501 27,606
Recurring basis | Level 3 | Unit purchase option liability    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Liabilities and obligations $ 51 $ 50,571