Annual report pursuant to Section 13 and 15(d)

Commitments - Future Minimum Lease Payments (Details)

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Commitments - Future Minimum Lease Payments (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Leases [Abstract]    
2022 $ 697  
2023 537  
2024 551  
2025 516  
Total lease payments 2,301  
Less: imputed interest 182  
Total operating lease liabilities $ 2,119 $ 2,800