Quarterly report pursuant to Section 13 or 15(d)

Lease Obligations -Additional Information (Details)

v3.22.1
Lease Obligations -Additional Information (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2022
USD ($)
Mar. 31, 2021
USD ($)
Feb. 28, 2022
extension
Lessee, Lease, Description [Line Items]      
Lease expense | $ $ 142 $ 132  
Richmond, California      
Lessee, Lease, Description [Line Items]      
Term of lease 5 years    
Hamburg,Germany      
Lessee, Lease, Description [Line Items]      
Term of lease 5 years    
Number of extension | extension     1
Renewal term     5 years