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Note 10 - Derivatives - Effect of Derivatives on AOCI (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Amount of loss recognized in OCL on derivatives (effective portion)   $ (1)   $ (228)
Amounts reclassified from accumulated other comprehensive loss to interest expense   93   262
Total $ 0 $ 92 $ 0 $ 34