v3.25.2
Note 14 - Property, Plant, and Equipment, Net (Details Textual) - USD ($)
 3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Depreciation $ 2,600,000 $ 2,600,000 $ 10,300,000 $ 14,300,000
Litigation Settlement, Loss 14,261,736 $ (0) 14,261,736 $ (0)
G E M Group [Member]        
Litigation Settlement, Loss 14,300,000   14,300,000  
G E M Group [Member] | Building [Member]        
Property, Plant and Equipment, Transferred for Litigation Settlement, Carrying Amount 36,400,000   36,400,000  
G E M Group [Member] | Personal Property [Member]        
Property, Plant and Equipment, Transferred for Litigation Settlement, Carrying Amount 7,400,000   7,400,000  
G E M Group [Member] | Land [Member]        
Property, Plant and Equipment, Transferred for Litigation Settlement, Carrying Amount $ 1,400,000   $ 1,400,000