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Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas (Details) - USD ($)
$ in Thousands
 12 Months Ended
Apr. 30, 2024
Apr. 30, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]    
Operating (loss) income $ (29,331) $ (29,216)
Right of use assets 2,405 1,751
Total assets 28,704 53,374
Operating Segment [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues from external customers 5,525 2,732
Operating (loss) income (29,331) (29,216)
Right of use assets 2,405 1,751
Long-lived assets 3,443 1,280
Total assets 28,704 53,374
North America [Member] | Operating Segment [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues from external customers 5,278 2,389
Operating (loss) income (29,548) (29,271)
Right of use assets 2,405 1,751
Long-lived assets 3,443 1,280
Total assets 28,704 53,374
Europe [Member] | Operating Segment [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues from external customers 247 90
Operating (loss) income 217 6
Right of use assets
Long-lived assets
Total assets
Asia and Australia [Member] | Operating Segment [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues from external customers 253
Operating (loss) income 49
Right of use assets
Long-lived assets
Total assets