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Note 6 - Leases - Other Information Related to Operating and Finance Leases (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Operating cash flows from finance leases $ (42) $ (29)
Operating cash flows from operating leases (1,677) (887)
Payments on finance lease obligations (208) (215)
Right-of-use assets obtained in exchange for operating lease liabilities $ 1,837 $ 1,238