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Note 1 - Summary of Operations and Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2016
Notes Tables  
Property, Plant and Equipment, Estimated Useful Life [Table Text Block]
Buildings
(years)
10
20
Machinery and Equipment
(years)
5
10
Furniture and Fixtures
(years)
3
 –
10
Computer Hardware and Software
(years)
3
 –
5
Leasehold Improvements
Lesser of useful life or lease term