v3.26.1
Note 1 - Organization and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Apr. 30, 2026
Notes Tables  
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
    As of April 30, 2026  

($ in thousands)

 

Level 1

   

Level 2

   

Level 3

   

Total

 

Cash equivalents

  $ 23,733     $ -     $ -     $ 23,733  

Equity securities

    25,603       -       -       25,603  

Available-for-sale fixed income securities

    36,683       -       -       36,683  
    $ 86,019     $ -     $ -     $ 86,019  
   

As of April 30, 2025

 

($ in thousands)

 

Level 1

   

Level 2

   

Level 3

   

Total

 

Cash equivalents

  $ 33,615     $ -     $ -     $ 33,615  

Equity securities

    20,879       -       -       20,879  

Available-for-sale fixed income securities

    22,435       -       -       22,435  
    $ 76,929     $ -     $ -     $ 76,929