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Inventory
3 Months Ended
Jul. 31, 2023
Inventory Disclosure [Abstract]  
Inventory

(4) Inventory

 

The Company holds inventory related to the production of its WAM-V® and PowerBuoy® products.

 

   July 31, 2023   April 30, 2023 
   (in thousands) 
Raw Materials  $1,586   $1,044 
Work in Process   144     
Inventory, net  $1,730   $1,044