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Leases (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Lessee, Lease, Description [Line Items]    
Operating lease weighted average discount rate 3.00%  
Operating lease weighted average remaining lease term 1 year 9 months 18 days  
Operating Lease Liabilities Payments Due    
2022 $ 337  
2023 236  
Total lease payments 573  
Less: Imputed interest (16)  
Total 557  
Costs for operating leases $ 337 $ 371
Minimum    
Lessee, Lease, Description [Line Items]    
Term of operating lease contract 1 year  
Maximum    
Lessee, Lease, Description [Line Items]    
Term of operating lease contract 2 years