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Note 1 - Nature of Business and Significant Accounting Policies - Property, Plant, and Equipment Useful Life (Details)
Aug. 31, 2025
Building and Building Improvements [Member] | Minimum [Member]  
Property, Plant, and Equipment, Useful Life (Year) 5 years
Building and Building Improvements [Member] | Maximum [Member]  
Property, Plant, and Equipment, Useful Life (Year) 30 years
Machinery and Equipment [Member] | Minimum [Member]  
Property, Plant, and Equipment, Useful Life (Year) 3 years
Machinery and Equipment [Member] | Maximum [Member]  
Property, Plant, and Equipment, Useful Life (Year) 10 years