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Note 5 - Leases (Tables)
6 Months Ended
Aug. 31, 2025
Notes Tables  
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]

Fiscal Year:

       

2026

  $ 29  

2027

    59  

2028

    61  

2029

    65  

2030

    59  

Thereafter

    143  

Total undiscounted operating lease payments

    416  

Less imputed interest

    (78 )

Present value of operating lease payments

  $ 338  
Schedule of Right-of-use Assets and Operating Lease Liabilities [Table Text Block]

Operating right-of-use assets

  $ 282  
         

Operating lease liabilities

  $ 42  

Long-term operating lease liabilities

    296  

Total operating lease liabilities

  $ 338