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Property and Equipment, net (Tables)
6 Months Ended
Oct. 31, 2025
Property, Plant and Equipment [Abstract]  
Schedule of Components of Property and Equipment, Net

The components of property and equipment, net as of October 31, 2025 and April 30, 2025 consisted of the following:

 

   October 31, 2025   April 30, 2025 
   (in thousands) 
Equipment  $2,186   $1,569 
Computer equipment & software   629    620 
Office furniture & equipment   425    425 
Leasehold improvements   683    683 
Leased WAM-V’s   2,240    1,735 
Leased Buoys   2,634    949 
Property and equipment, gross   8,797    5,981 
Less: accumulated depreciation   (2,934)   (2,537)
Property and equipment, net  $5,863   $3,444