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Note 6 - Leases - Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Operating lease cost $ 1,801 $ 1,741 $ 3,586 $ 3,415
Amortization of right-of-use assets 186 212 370 424
Interest on lease liabilities 13 26 28 53
Total finance lease cost $ 199 $ 238 $ 398 $ 477