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Note 2 - Summary of Significant Accounting Policies - Property, Plant and Equipment (Details)
Sep. 30, 2025
Building [Member] | Minimum [Member]  
Property, Plant and Equipment, Useful Life (Year) 10 years
Building [Member] | Maximum [Member]  
Property, Plant and Equipment, Useful Life (Year) 40 years
Computer Equipment and Software [Member] | Minimum [Member]  
Property, Plant and Equipment, Useful Life (Year) 3 years
Computer Equipment and Software [Member] | Maximum [Member]  
Property, Plant and Equipment, Useful Life (Year) 5 years
Machinery and Equipment [Member] | Minimum [Member]  
Property, Plant and Equipment, Useful Life (Year) 2 years
Machinery and Equipment [Member] | Maximum [Member]  
Property, Plant and Equipment, Useful Life (Year) 7 years
Furniture and Fixtures [Member]  
Property, Plant and Equipment, Useful Life (Year) 5 years
Vehicles [Member] | Minimum [Member]  
Property, Plant and Equipment, Useful Life (Year) 3 years
Vehicles [Member] | Maximum [Member]  
Property, Plant and Equipment, Useful Life (Year) 7 years