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Note 2 - Detail of Certain Balance Sheet Accounts: Schedule of Finite-Lived Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Details    
Finite-Lived Patents, Gross $ 2,183 $ 2,161
Finite-Lived Noncompete Agreements, Gross 135 123
Finite-Lived Trademarks, Gross 9,921 9,074
Finite-Lived Customer Relationships, Gross 9,669 8,822
Regulatory approvals & product certifications 12,897 11,767
Other intangible assets 34,805 31,947
Other intangible assets - accumulated amortization (16,961) (13,683)
Finite-Lived Intangible Assets, Net $ 17,844 $ 18,264