v3.26.1
Note 2 - Marketable Securities (Tables)
12 Months Ended
Mar. 01, 2026
Notes Tables  
Debt Securities, Available-for-Sale [Table Text Block]
   

March 1, 2026

 
   

Total

   

Level 1

   

Level 2

   

Level 3

 
                                 

U.S. Treasury and other government securities

  $ 10,874     $ 10,874     $ -     $ -  

Total marketable securities

  $ 10,874     $ 10,874     $ -     $ -  
   

March 2, 2025

 
   

Total

   

Level 1

   

Level 2

   

Level 3

 
                                 

U.S. Treasury and other government securities

  $ 47,213     $ 47,213     $ -     $ -  

Total marketable securities

  $ 47,213     $ 47,213     $ -     $ -  
Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]
   

Amortized

Cost Basis

   

Gross

Unrealized

Gains

   

Gross

Unrealized

Losses

 

March 1, 2026:

                       

U.S. Treasury and other government securities

  $ 10,964     $ 2     $ 92  

Total marketable securities

  $ 10,964     $ 2     $ 92  
                         

March 2, 2025:

                       

U.S. Treasury and other government securities

  $ 48,124     $ 24     $ 935  

Total marketable securities

  $ 48,124     $ 24     $ 935  
Realized Gain (Loss) on Investments [Table Text Block]
   

Fiscal Year

 
   

2026

   

2025

   

2024

 

Gross realized losses on sale

  $ 50     $ 57     $ 184  
Investments Classified by Contractual Maturity Date [Table Text Block]

Due in one year or less

  $ 10,874  
    $ 10,874