Note 1 - Nature of Operations and Summary of Significant Accounting Policies: Net Income Per Common Share: Schedule of Net Income Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Numerator
Net Income (Loss)	$ (1,599)	$ 3,308
Denominator
Weighted-average number of common shares outstanding - basic	11,464	11,353
Incremental shares assumed for stock options	0	625
Weighted-average number of common shares outstanding - dilutive	11,464	11,978
Basic net income (loss) per common share	$ (0.14)	$ 0.29
Diluted net income (loss) per common share	$ (0.14)	$ 0.28