Note 8 - Income Taxes: Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Details
Current Income Tax Expense (Benefit)	$ 10,944	$ 5,467	$ 4,877
Deferred Income Tax Expense	(367)	(1,173)	(1,175)
Provision for income taxes	$ 10,577	$ 4,294	$ 3,702