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Leases (Details 1) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Cash Paid For Amounts Included In The Measurement Of Lease Liabilities:    
Operating Cash Flows (fixed Payments) $ 143 $ 211
Operating Cash Flows (liability Reduction) 108 171
Rou Assets Obtained In Exchange For Lease Obligations:    
Operating Leases $ 0 $ 14