Note 1 - Nature of Operations and Basis of Presentation (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Property, Plant and Equipment Estimated Useful Life [Table Text Block]

	Years
Buildings and improvements	5 - 40
Machinery and equipment	3 - 8
Furniture and fixtures	3 - 8
Lasts, dies, and patterns	3