v3.25.2
Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Apr. 30, 2025
Accounting Policies [Abstract]  
Schedule of Revenue Recognized Under ASC 606 and ASC 842

The below table represents the total revenue recognized under ASC 606 and ASC 842 fiscal years ended April 30, 2025 and 2024:

 

                         
   Fiscal year ended April 30, 2025   Fiscal year ended April 30, 2024 
   ASC 606   ASC 842   Total   ASC 606   ASC 842   Total 
   (in thousands)   (in thousands) 
Product Line:                              
WAM-V  $4,216   $338   $4,554   $1,912   $1,392   $3,304 
Buoy   474    115    589    1,739    —    1,739 
Services   718    —    

718

    482    —    482 
Total  $5,408   $453   $5,861   $4,133   $1,392   $5,525 
                               
Region:                              
North and South America  $3,855   $—   $3,855   $4,101   $1,177   $5,278 
EMEA   1,550    338    1,888    32    215    247 
Asia and Australia   3    115    118    —    —    — 
Total  $5,408   $453   $5,861   $4,133   $1,392   $5,525 
Schedule of Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Consolidated Balance Sheets that total to the same amounts shown in the Consolidated Statements of Cash Flows.

 

   April 30, 2025   April 30, 2024 
   (in thousands) 
Cash and cash equivalents  $6,715   $3,151 
Restricted cash- short-term   —    — 
Restricted cash- long-term   154    154 
Cash, cash equivalents, restricted cash and restricted cash equivalents  $6,869   $3,305 
Schedule of Property and Equipment Estimated Useful Life

 

Description   Estimated useful life
     
Equipment   5-7 years
Computer equipment & software   3 years
Office furniture & fixtures   3-7 years
Leasehold improvements   Shorter of the estimated useful life or lease term
Leased Power Buoy assets   10 years
Leased WAM-V assets   10 years