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Leases (Details 1) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Leases    
2021 $ 357 $ 754
2022 550 588
2023 544 567
2024 489 489
2025 433 433
Thereafter 1,041 1,041
Total 3,414 3,872
Less: imputed interest (341) (401)
Operating lease liability $ 3,073 $ 3,471