Quarterly report pursuant to Section 13 or 15(d)

Bank Term Note and Line of Credit - Additional Information (Details)

v3.5.0.2
Bank Term Note and Line of Credit - Additional Information (Details) - USD ($)
Sep. 14, 2016
May 25, 2016
Jan. 28, 2016
May 07, 2015
Sep. 30, 2016
Dec. 31, 2015
Debt Instrument [Line Items]            
Line of Credit Facility, Additional Equity Required to Draw on Credit Line     $ 2,500,000      
Proceeds from offering $ 5,500,000.0 $ 5,000,000        
Secured Debt            
Debt Instrument [Line Items]            
Term Note, principal balance       $ 6,000,000.0    
Periodic principal payment       $ 167,000    
Stated interest rate, minimum       5.25%    
Effective interest rate         5.50%  
Deferred interest due upon maturity       $ 180,000    
Term Note, principal balance         $ 5,167,000 $ 6,000,000
Maturities of Long-term Debt [Abstract]            
2016 (remaining three months)         500,000  
2017         2,000,000  
2018         2,000,000  
2019         $ 666,667  
Secured Debt | Prime Rate            
Debt Instrument [Line Items]            
Basis spread on variable rate       2.00%    
Line of Credit            
Debt Instrument [Line Items]            
Line of credit, maximum borrowing capacity (not to exceed)       $ 4,000,000.0    
Line of credit, maximum borrowing capacity, percent of accounts receivable       80.00%    
Effective interest rate         5.00%  
Line of credit, principal balance         $ 0  
Line of Credit | Prime Rate            
Debt Instrument [Line Items]            
Basis spread on variable rate       1.50%