Note 1 - Nature of Operations and Summary of Significant Accounting Policies: Schedule of Product Warranty Liability (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Details
Product Warranty Accrual, Beginning Balance	$ 150	$ 145
Additions to warranty reserve	98	111
Warranty costs	(123)	(106)
Product Warranty Accrual, Ending Balance	$ 125	$ 150