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Note 10 - Stock-based Compensation (Tables)
12 Months Ended
Apr. 27, 2024
Notes Tables  
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
  

Number of

Shares

  

Price (a)

 

Options outstanding, beginning of year

  521,300  $18.13 

Granted

  -   - 

Exercised

  (215,000) $6.12 

Forfeited or cancelled

  (6,400) $31.49 

Options outstanding, end of year

  299,900  $25.48 

Options vested and exercisable, end of year

  164,580  $23.40