Quarterly report pursuant to Section 13 or 15(d)

Note 1 - Basis of Presentation and Principles of Consolidation (Details Textual)

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Note 1 - Basis of Presentation and Principles of Consolidation (Details Textual)
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
Jan. 01, 2019
USD ($)
Number of Reportable Segments 3  
Operating Lease, Right-of-Use Asset [1] $ 6,500  
Accounting Standards Update 2016-02 [Member]    
Operating Lease, Right-of-Use Asset   $ 7,100
Operating Lease, Liability, Total   7,400
Cumulative Effect of New Accounting Principle in Period of Adoption   $ 0
[1] Operating and finance lease assets are recorded net of accumulated amortization of $0.6 million and $6.4 million, respectively, as of March 31, 2019.