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Note 1 - Basis of Presentation (Details Textual) - USD ($) $ in Thousands | Jun. 30, 2019 | Jan. 01, 2019
--- | --- | ---
Finance Lease, Liability, Total | $ 3,627 |
Operating Lease, Liability, Total | $ 983 |
Accounting Standards Update 2016-02 [Member] |  |
Finance Lease, Right-of-Use Asset |  | $ 3,800
Finance Lease, Liability, Total |  | 3,800
Operating Lease, Right-of-Use Asset |  | 1,100
Operating Lease, Liability, Total |  | $ 1,100

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