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Schedule of Components of Property and Equipment (Details) - USD ($)
$ in Thousands
Jul. 31, 2024
Apr. 30, 2024
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 5,790 $ 5,416
Less: accumulated depreciation (2,177) (1,973)
Property and equipment, net 3,613 3,443
Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 1,567 1,530
Computer Equipment & Software [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 790 790
Office Furniture & Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 422 422
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 683 683
Leased WAM-V’s [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 1,864 1,547
Leased Buoys [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 464 $ 444