Quarterly report [Sections 13 or 15(d)]

Note 5 - Leases (Details Textual)

v3.25.3
Note 5 - Leases (Details Textual)
3 Months Ended 9 Months Ended
Aug. 31, 2025
HKD ($)
ft²
Sep. 30, 2025
USD ($)
ft²
a
Sep. 30, 2024
USD ($)
Sep. 30, 2025
USD ($)
ft²
a
Sep. 30, 2024
USD ($)
Operating Leases, Monthly Payment, Years One Through Three $ 141,500        
Operating Leases, Monthly Payment, Years Four and Five 149,500        
Operating Leases, Monthly Management Fee $ 43,979        
Operating Lease, Payments   $ 317,000 $ 334,000 $ 947,000 $ 961,000
Rolling Hills Estates [Member]          
Area of Real Estate Property (Square Foot) | ft²   4,900   4,900  
HONG KONG          
Area of Real Estate Property (Square Foot) 5,300 7,300   7,300  
Richmond, British Columbia [Member]          
Area of Real Estate Property (Square Foot) | a   1,600   1,600  
Metuchen, New Jersey [Member]          
Area of Real Estate Property (Square Foot) | a   2,000   2,000  
CHINA          
Lessee, Number of Branches   7   7