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Leases (Schedule Of Lease Costs) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Leases [Abstract]    
Operating lease cost $ 695 $ 615
Short-term lease cost 218 7
Variable lease cost 98 49
Total lease cost $ 1,011 $ 671