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Leases (Future Minimum Lease Payments) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2022
Future minimum lease payments    
December 31, 2022 $ 227 $ 234
December 31, 2023 234 119
December 31, 2024 138  
Total 599 $ 353
Rent expense $ 400