Annual report [Section 13 and 15(d), not S-K Item 405]

Note 11 - Leases (Details Textual)

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Note 11 - Leases (Details Textual)
1 Months Ended 12 Months Ended
Jan. 01, 2018
USD ($)
Nov. 01, 2016
USD ($)
a
Jun. 30, 2021
USD ($)
a
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Operating Lease, Payments       $ 800,000 $ 800,000
Lease, Corporate Headquarters in Miami, Florida [Member]          
Area of Real Estate Property (Acre) | a     12,000    
Lessee, Operating Lease, Term of Contract (Year)     8 years    
Lessee, Operating Lease, Annual Base Rent, Per Square Foot     $ 58    
Lessee, Operating Lease, Annual Base Rent, Percentage Increase     3.00%    
Security Deposit       $ 117,000  
Lease, Office Space in Chicago, Illinois [Member]          
Area of Real Estate Property (Acre) | a   6,600      
Lessee, Operating Lease, Term of Contract (Year)   7 years      
Lessee, Operating Lease, Annual Base Rent, Per Square Foot   $ 14      
Security Deposit   $ 55,000      
Lessee, Operating Lease, Holiday Term (Year)   7 years      
Lessee, Operating Lease, Abatement Term (Year)   5 years      
Lessee, Operating Sublease, Monthly Income $ 15,200        
Security Deposit Liability 30,000        
Lease, Office Space in Chicago, Illinois [Member] | Maximum [Member]          
Lessee, Operating Lease, Annual Base Rent, Per Square Foot   $ 17      
Lessee, Operating Sublease, Monthly Income $ 17,300