Quarterly report [Sections 13 or 15(d)]

Note 7 - Marketable Debt Securities (Tables)

v3.26.1
Note 7 - Marketable Debt Securities (Tables)
3 Months Ended
Feb. 28, 2026
Notes Tables  
Marketable Securities [Table Text Block]
   

Cost

   

Unrealized Gains

   

Unrealized Losses

   

Fair Value

   

Investments

 

Corporate bonds

  $ 737     $ 12     $ -     $ 749     $ 749  

U.S. Treasury securities

    999       7       -       1,006       1,006  

Total

  $ 1,736     $ 19     $ -     $ 1,755     $ 1,755  
   

Cost

   

Unrealized Gains

   

Unrealized Losses

   

Fair Value

   

Investments

 

Corporate bonds

  $ 737     $ 11     $ -     $ 748     $ 748  

U.S. Treasury securities

    999       7       -       1,006       1,006  

Total

  $ 1,736     $ 18     $ -     $ 1,754     $ 1,754  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
                   

February 28, 2026

 
                   

Fair Value Measurement Based on

 
                   

Quoted Prices in Active Market

   

Significant Other Observable Inputs

   

Significant Unobservable Inputs

 
   

Cost

   

Fair Value

   

(Level 1)

   

(Level 2)

   

(Level 3)

 

Cash equivalents

  $ 4,668     $ 4,668     $ 4,668     $ -     $ -  

Corporate bonds

    737       749       -       749       -  

U.S. Treasury securities

    999       1,006       -       1,006       -  

Total

  $ 6,404     $ 6,423     $ 4,668     $ 1,755     $ -  
                   

November 30, 2025

 
                   

Fair Value Measurement Based on

 
                   

Quoted Prices in Active Market

   

Significant Other Observable Inputs

   

Significant Unobservable Inputs

 
   

Cost

   

Fair Value

   

(Level 1)

   

(Level 2)

   

(Level 3)

 

Cash equivalents

  $ 5,043     $ 5,043     $ 5,043     $ -     $ -  

Corporate bonds

    737       748       -       748       -  

U.S. Treasury securities

    999       1,006       -       1,006       -  

Total

  $ 6,779     $ 6,797     $ 5,043     $ 1,754     $ -