XML 144 R99.htm IDEA: XBRL DOCUMENT v3.19.2
Debt - Term Loan (Details) - USD ($)
1 Months Ended
Jan. 28, 2019
Jul. 31, 2017
Feb. 28, 2019
Dec. 31, 2018
Jul. 31, 2018
Dec. 31, 2017
Debt            
Purchase of additional common stock through warrants       993,204    
Outstanding borrowings           $ 8,683,000
Term Loan            
Debt            
Debt discount amortized as interest expenses   $ 100,000        
Term Loan | SVB            
Debt            
Debt issue costs $ 1,000,000          
Success fee (as a percentage) 3.50%          
Cash security     $ 15,000      
Purchase of additional common stock through warrants         36,000  
Debt discount amortized as interest expenses $ 800,000          
Outstanding borrowings $ 8,900,000