Quarterly report pursuant to Section 13 or 15(d)

Lease Obligations - Additional Information (Details)

v3.20.2
Lease Obligations - Additional Information (Details) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Lessee, Lease, Description [Line Items]          
Operating lease agreement 5 years 5 years   5 years  
Lease liabilities $ 777 $ 777   $ 777  
Renewal term 5 years 5 years   5 years  
Lease expense   $ 135 $ 130 $ 273 $ 270
Richmond, California          
Lessee, Lease, Description [Line Items]          
Operating lease agreement 5 years 5 years   5 years  
Lease payment $ 300        
Operating lease abatement 48        
Lease liabilities $ 79 $ 79   $ 79