Quarterly report pursuant to Section 13 or 15(d)

Restricted Cash - Summary (Details)

v3.19.3
Restricted Cash - Summary (Details) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Oct. 31, 2019
Sep. 30, 2019
Dec. 31, 2018
Sep. 30, 2018
Aug. 31, 2018
Dec. 31, 2017
Restricted Cash            
Restricted cash   $ 4,000 $ 900      
Restricted cash, current portion   638 638 $ 638   $ 193
Restricted cash, long-term   $ 3,376 $ 290 $ 290   $ 290
Manufacturing Agreement, August 2018            
Restricted Cash            
Letter of credit outstanding         $ 600  
Letter of credit expiration date   Sep. 30, 2019        
Letter of credit renewable term   The letter of credit will continue to automatically renew for additional one-year periods unless 90 days’ notice is provided to the bank by the Company or unless released by the third-party manufacturer        
Letter of credit renewal period   1 year        
Manufacturing Agreement, August 2018 | Subsequent Event            
Restricted Cash            
Repayment of letter of credit $ 600          
Operating Lease, January 2019            
Restricted Cash            
Letter of credit outstanding   $ 3,100        
Letter of credit expiration period   95 days        
Operating Lease, October 2023            
Restricted Cash            
Expected letter of credit amount   $ 2,100