Quarterly report [Sections 13 or 15(d)]

Note 7 - Marketable Debt Securities (Tables)

v3.25.1
Note 7 - Marketable Debt Securities (Tables)
3 Months Ended
Feb. 28, 2025
Notes Tables  
Marketable Securities [Table Text Block]
   

Cost

   

Unrealized Gains

   

Unrealized Losses

   

Fair Value

   

Investments

 

Corporate bonds

  $ 3,686     $ 35     $ -     $ 3,721     $ 3,721  

U.S. Treasury securities

    7,836       63       -       7,899       7,899  

Total

  $ 11,522     $ 98     $ -     $ 11,620     $ 11,620  
   

Amortized
Cost

   

Unrealized
Gains

   

Unrealized
Losses

   

Fair
Value

   

Investments

 

Corporate bonds

  $ 2,950     $ 18     $ -     $ 2,968     $ 2,968  

U.S. Treasury securities

    5,889       47       -       5,936       5,936  

Total

  $ 8,839     $ 65     $ -     $ 8,904     $ 8,904  
Investments Classified by Contractual Maturity Date [Table Text Block]
   

February 28, 2025

 
   

Cost

   

Fair Value

 

Due within one year or less

  $ 6,890     $ 6,964  

Due after one year through five years

    4,632       4,656  
    $ 11,522     $ 11,620  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
                   

February 28, 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

  $ 4,334     $ 4,334     $ 4,334     $ -     $ -  

Corporate bonds

    3,686       3,721       -       3,721       -  

U.S. Treasury securities

    7,836       7,899       -       7,899       -  

Total

  $ 15,856     $ 15,954     $ 4,334     $ 11,620     $ -  
                   

November 30, 2024

 
                   

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

  $ 11,304     $ 11,304     $ 11,304     $ -     $ -  

Corporate bonds

    2,950       2,968       -       2,968       -  

U.S. Treasury securities

    5,889       5,936       -       5,936       -  

Total

  $ 20,143     $ 20,208     $ 11,304     $ 8,904     $ -