Annual report pursuant to Section 13 and 15(d)

Term Loan Agreements and Long Term Debt - Term Loan Agreement and Revolving Loan (Details)

v3.6.0.2
Term Loan Agreements and Long Term Debt - Term Loan Agreement and Revolving Loan (Details)
 12 Months Ended
Oct. 26, 2016
USD ($)
Oct. 25, 2016
USD ($)
item
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Debt Instrument [Line Items]        
Exit fee percent   5.00%    
Debt issuance costs     $ 800,847 $ 180,139
Three Peaks Loan        
Debt Instrument [Line Items]        
Payments of Debt Extinguishment Costs   $ 2,300,000    
MidCap Loan        
Debt Instrument [Line Items]        
Proceeds from issuance of debt   25,000,000    
Debt issuance costs   800,000    
Term Loan Agreement. | MidCap Loan        
Debt Instrument [Line Items]        
Face amount   $ 21,000,000 $ 21,000,000  
Number of months requiring principal and interest payments | item   30    
Interest payable, percent   8.00% 8.00%  
Interest rate spread   0.50% 0.50%  
Effective interest rate (as a percent)   8.50% 8.50%  
Annual agency fee, percent of aggregate principal amount   (0.25%) 0.25%  
Minimum prepayment amount   $ 2,500,000    
Integral multiple of the minimum prepayment amount   $ 1,000,000    
Maximum number of partial voluntary prepayments allowed | item   3    
Prepayment fee percent, year one   3.00%    
Prepayment fee percent, year two   2.00%    
Prepayment fee percent, thereafter   1.00%    
Revolver Credit facility | MidCap Loan        
Debt Instrument [Line Items]        
Interest payable, percent   4.50% 4.50%  
Interest rate spread   0.50% 0.50%  
Effective interest rate (as a percent)   5.00% 5.00%  
Prepayment fee percent, year one 3.00%      
Prepayment fee percent, year two 2.00%      
Prepayment fee percent, thereafter 1.00%      
Maximum line of credit amount   $ 10,000,000 $ 10,000,000  
Borrowing amount available   $ 5,400,000    
Amount drawn $ 4,000,000   $ 4,025,023  
Collateral management fee, percent   (0.50%) 0.50%  
Unused line fee, percent   0.50% 0.50%  
Percent of Borrowing Base which accrues interest   30.00%    
Revolver Credit facility | MidCap Loan | Maximum        
Debt Instrument [Line Items]        
Maximum line of credit amount   $ 15,000,000