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Commitments (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Future minimum payments        
2022 $ 271   $ 271  
2023 663   663  
2024 395   395  
Total lease payments 1,329   1,329  
Less: imputed interest (107)   (107)  
Total operating lease liabilities 1,222   1,222  
Operating leases        
Rent expense 300 $ 200 500 $ 300
Lease payments $ 300 $ 200 $ 500 $ 400