Note 5 - Property and Equipment: Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Details
Land	$ 1,339	$ 1,289
Buildings and Improvements, Gross	15,350	10,914
Machinery and Equipment, Gross	15,696	15,759
Construction in Progress, Gross	13	2,061
Property, Plant and Equipment, Gross	32,398	30,023
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(20,777)	(20,057)
Property and equipment - net	$ 11,621	$ 9,966