Note 1 - Nature of Operations and Summary of Significant Accounting Policies: Trade Accounts Receivable: Schedule of Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Details
Allowance for Doubtful Accounts Receivable, Beginning Balance	$ 286	$ 217
Write-off of accounts receivable	(47)	(64)
Increase (reduction) in estimated losses on accounts receivable	20	133
Allowance for Doubtful Accounts Receivable, Ending Balance	$ 259	$ 286