Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Property, Plant and Equipment Estimated Useful Lives [Table Text Block]

Class	Method	Estimated Useful Lives (years)
Buildings & Improvements	Straight-line	10	to	40
Machinery and equipment	Straight-line	3	to	17
Tools and dies	Straight-line		3