Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Lease Liability - Schedule of Right-of-use Asset Obtained in Exchange for Operating Lease Liability (Details)

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Note 8 - Lease Liability - Schedule of Right-of-use Asset Obtained in Exchange for Operating Lease Liability (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Jan. 01, 2020
Jan. 01, 2019
Right-of-use assets recorded upon adoption of Topic 842, January 1, 2019 $ 1,262   $ 1,376 $ 1,837 $ 1,570
Right-of-use assets obtained in exchange for new operating lease liabilities in the period   $ 267    
Accounting Standards Update 2016-02 [Member]          
Right-of-use assets recorded upon adoption of Topic 842, January 1, 2019 $ 1,570      
Right-of-use assets obtained in exchange for new operating lease liabilities in the period $ 234