Quarterly report [Sections 13 or 15(d)]

Note 5 - Leases (Details Textual)

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Note 5 - Leases (Details Textual)
 3 Months Ended 6 Months Ended
Aug. 31, 2025
USD ($)
ft²
Aug. 31, 2025
HKD ($)
ft²
Jun. 30, 2026
USD ($)
ft²
a
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
ft²
a
Jun. 30, 2025
USD ($)
Operating Leases, Monthly Payment, Years One Through Three $ 18,000 $ 141,500        
Operating Leases, Monthly Payment, Years Four and Five 19,000 149,500        
Operating Leases, Monthly Management Fee $ 6,000 $ 43,979        
Operating Lease, Payments | $     $ 314,000 $ 321,000 $ 605,000 $ 630,000
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) | ft² 5,300 5,300        
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     6   6