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Commitments (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Future minimum payments    
2023 $ 446  
2024 395  
Total lease payments 841  
Less: imputed interest (47)  
Total operating lease liabilities 794  
Operating leases    
Rent expense 200 $ 200
Lease payments $ 200 $ 200