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Note 7 - Operating Leases - Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Operating lease cost $ 239 $ 226 $ 480 $ 458
Variable lease cost 29 23 57 47
Total lease cost $ 268 $ 249 $ 537 $ 505