Quarterly report pursuant to Section 13 or 15(d)

Restricted Cash - Summary (Details)

v3.19.2
Restricted Cash - Summary (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Aug. 31, 2018
Jun. 30, 2018
Dec. 31, 2017
Restricted Cash          
Restricted cash $ 4,000 $ 900      
Restricted cash, current portion 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 renewal period 1 year        
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