Quarterly report pursuant to Section 13 or 15(d)

Restricted Cash - Summary (Details)

v3.10.0.1
Restricted Cash - Summary (Details) - USD ($)
$ in Thousands
1 Months Ended
Apr. 30, 2018
Sep. 30, 2018
Aug. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Dec. 31, 2016
Mar. 31, 2015
Restricted Cash              
Restricted cash   $ 900   $ 500      
Restricted cash, current portion   638   193 $ 193    
Restricted cash, long-term   290   290 $ 290 $ 483  
Manufacturing Agreement, August 2018              
Restricted Cash              
Letter of credit outstanding     $ 600        
Operating Lease, March 2015              
Restricted Cash              
Restricted cash       $ 500      
Restricted cash, long-term   $ 300          
Refund received from landlord of security deposit on lease $ 200            
Letter of credit outstanding             $ 500