XML 44 R33.htm IDEA: XBRL DOCUMENT v3.7.0.1
Borrowings - Additional Information (Details) - USD ($)
3 Months Ended
Sep. 30, 2016
Mar. 31, 2017
Dec. 31, 2016
Debt Instrument [Line Items]      
Number of warrants issued to purchase common stock (in shares)   14,033 14,033
Warrants to purchase common stock associated with Loan Agreement      
Debt Instrument [Line Items]      
Number of warrants issued to purchase common stock (in shares) 122,435 122,435  
Exercise price of warrants (in dollars per share) $ 3.6754 $ 3.6754  
Warrants issued, expiration period (in years) 5 years 5 years  
Secured Debt | Term Loan      
Debt Instrument [Line Items]      
Loan agreement term 48 months    
Term loan, face amount $ 15,000,000    
Cash proceeds limit $ 20,000,000    
Amortization period, extension (in months) 6 months    
Secured Debt | Term Loan | LIBOR      
Debt Instrument [Line Items]      
Basis spread on variable rate (as a percent) 8.49%