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, 2019	Dec. 31, 2018
Text Block [Abstract]
Allowance for Doubtful Accounts Receivable, Beginning Balance	$ 157	$ 109
Increase in estimated losses on accounts receivable	464	48
Allowance for Doubtful Accounts Receivable, Ending Balance	$ 621	$ 157