Quarterly report [Sections 13 or 15(d)]

Note 11 - Related-party Seller Notes - Schedule of Related-party Seller Notes (Details) (Parentheticals)

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Note 11 - Related-party Seller Notes - Schedule of Related-party Seller Notes (Details) (Parentheticals) - Related Party [Member] - Seller Notes Payable [Member]
Mar. 31, 2026
Sep. 30, 2025
Seller Notes of Kinetic, Matures September 2027 [Member]    
Interest rate, related party 7.00% 7.00%
Seller Notes of Central Steel, Matures May 2029 [Member]    
Interest rate, related party 8.00% 8.00%
Seller Notes of Flooring Liquidators, Matures February 2028 [Member]    
Interest rate, related party 8.24% 8.24%