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  $-