Quarterly report pursuant to Section 13 or 15(d)

Note Payable and Term Loan Agreement - Term Loan Agreement and Revenue Interest Agreement (Details)

v3.5.0.2
Note Payable and Term Loan Agreement - Term Loan Agreement and Revenue Interest Agreement (Details) - USD ($)
3 Months Ended
Nov. 12, 2014
Sep. 30, 2016
Jun. 30, 2016
Dec. 31, 2015
Nov. 13, 2014
Debt Instrument [Line Items]          
Shares of common stock sold     30,128,099 29,984,591  
Value of common stock sold     $ 301,281 $ 299,846  
Three Peaks          
Debt Instrument [Line Items]          
Shares of common stock sold 1,375,969        
Value of common stock sold $ 3,550,000        
Public offering price (in dollars per share) $ 2.58        
Term Loan | Three Peaks          
Debt Instrument [Line Items]          
Term 6 years        
Interest payable 9.00%        
Face amount $ 25,000,000        
Basis spread on fixed rate, option 1 LIBOR        
Basis spread on fixed rate, option 2 1.00%        
Effective interest rate (as a percent)     10.00% 10.00% 10.00%
Upon certain events, the percentage of outstanding principal amount of the Term Loan the Company has the option to prepay and the lender has a right to demand payment for on or prior to the first anniversary of the applicable Closing Date 120.00%        
Upon certain events, the percentage of outstanding principal amount of the Term Loan the Company has the option to prepay and the lender has a right to demand payment for after the first anniversary but before the second anniversary of the applicable Closing Date 135.00%        
Upon certain events, the percentage of outstanding principal amount of the Term Loan the Company has the option to prepay and the lender has a right to demand payment for after the second anniversary but before the third anniversary of the applicable Closing Date 150.00%        
Upon certain events, the internal rate of return of the outstanding principal amount of the Term Loan the Company has the option to prepay and the lender has a right to demand after the third anniversary of the applicable Closing Date 16.25%        
Upon certain events, the additional percentage of the originally advanced Term Loan amount owed 3.00%        
Term Loan | Three Peaks | Forecast          
Debt Instrument [Line Items]          
Optional future additional borrowing   $ 7,000,000      
Revenue Interest Purchase Agreement | Three Peaks          
Debt Instrument [Line Items]          
Term 10 years        
Royalty percentage on net revenue 3.75%        
Revenue Interest Purchase Agreement | Three Peaks | Maximum          
Debt Instrument [Line Items]          
Royalty percentage on net revenue 4.80%        
Royalty revenue per year $ 30,000,000