v3.26.1
Note 10 - Stock Options and Grants 1 (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Aug. 13, 2025
Feb. 28, 2026
Nov. 30, 2025
Aug. 31, 2025
Aug. 30, 2025
Feb. 28, 2026
Feb. 28, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)   0       0 0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 14,000         0 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Fair Value $ 225,000            
Share Price (in dollars per share) $ 16.1            
Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued           $ 815,000  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period (in shares)           0 0
Chief Operating Officer [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 2,000            
Deferred Compensation Arrangement with Individual, Exercise Price (in dollars per share)   $ 21.22 $ 18.01        
Deferred Compensation Arrangement with Individual, Shares Issued (in shares)   5,000 5,000   50,000    
Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued   $ 18,000 $ 13,000 $ 105,000      
Chief Operating Officer [Member] | Ninety Days After Agreement Date [Member]              
Deferred Compensation Arrangement with Individual, Common Stock Reserved for Future Issuance (in shares) 50,000            
Deferred Compensation Arrangement with Individual, Exercise Price (in dollars per share) $ 14.5            
Chief Operating Officer [Member] | Within 30 Days After the End of Each Fiscal Quarter [Member]              
Deferred Compensation Arrangement with Individual, Common Stock Reserved for Future Issuance (in shares) 5,000            
Chief Executive Officer [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 2,000            
Chief Financial Officer [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 2,000            
Board of Directors Chairman [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 2,000            
Director One [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 2,000            
Director Two [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 2,000            
Director Three [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 2,000