v3.26.3
Note 2 - Summary of Significant Accounting Policies (Details Textual)
6 Months Ended
Aug. 27, 2026
Jul. 21, 2026
$ / shares
Aug. 31, 2026
$ / shares
shares
Feb. 28, 2026
shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number (in shares)     939,825  
Preferred Stock, Shares Outstanding (in shares)     153,928 100,316
The Note [Member]        
Debt Instrument, Convertible, Number of Equity Instruments 2,982,493 2,982,493 1,185,567  
Debt Instrument, Convertible, Conversion Price (in dollars per share) | $ / shares   $ 3.88 $ 3.88  
Potential Common Shares Outstanding (in shares)     9,257,853  
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger   90.00% 90.00%  
Series A Preferred Stock [Member]        
Preferred Stock, Shares Outstanding (in shares)     150,000  
Preferred Stock, Convertible, Shares Issuable (in shares)     150,000  
Series B Preferred Stock [Member]        
Preferred Stock, Shares Outstanding (in shares)     3,612  
Preferred Stock, Convertible, Shares Issuable (in shares)     930,927  
Series E Preferred Stock [Member]        
Preferred Stock, Shares Outstanding (in shares)     316  
Preferred Stock, Convertible, Shares Issuable (in shares)     3,673  
Outstanding Warrants [Member]        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)     6,047,861