XML 65 R52.htm IDEA: XBRL DOCUMENT v3.10.0.1
Commitments and Contingencies (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Jul. 31, 2017
Jun. 30, 2017
Operating Leases          
2019 $ 2,752        
2020 2,404        
2021 1,980        
2022 1,406        
Net rent expense $ 2,500 $ 1,700 $ 600    
Monrovia          
Lease term       64 months  
Renewal term       5 years  
San Diego          
Lease term         61 months
Renewal term         5 years