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Note 8 - Income Taxes: Schedule of Income before Income Tax, Domestic and Foreign (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Details      
Income (Loss) from Continuing Operations before Income Taxes, Domestic $ 9,124 $ 8,688 $ 7,973
Income (Loss) from Continuing Operations before Income Taxes, Foreign 9,958 7,734 7,572
Income before provision for income taxes $ 19,082 $ 16,422 $ 15,545