Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Additional Information (Details)

v3.8.0.1
Related Party Transactions - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Dec. 31, 2016
Aug. 01, 2017
General and Administrative          
Related Party Transaction [Line Items]          
Consulting fees $ 15,000 $ 15,000      
Threshold          
Related Party Transaction [Line Items]          
Aggregate principal amount received         $ 4,000,000
Secured Convertible Promissory Notes          
Related Party Transaction [Line Items]          
Proceeds from stockholders     $ 10,000,000 $ 7,315,038  
Interest accrual rate 5.00%   5.00%    
Debt instrument maturity date     Sep. 07, 2017    
Convertible notes price per share $ 3.36   $ 3.36    
Loss on conversion of notes $ 4,700,000   $ 4,700,000