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Note 6 - Inventory (Tables)
3 Months Ended
Jul. 31, 2024
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

July 31, 2024

  

April 30, 2024

 

Parts and raw material

 $6,281  $6,111 

Work in process

  

3,279

   3,349 

Finished goods

  69   62 

Total Inventory, net of allowance

 $9,629  $9,522