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Note 6 - Leases - Other Information Related to Operating and Finance Leases (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Operating cash flows from finance leases $ (61) $ (42)
Operating cash flows from operating leases (2,588) (1,396)
Financing cash flows from finance leases (313) (325)
Right-of-use assets obtained in exchange for operating lease liabilities $ 4,471 $ 1,238