v3.26.1
Property, Plant, and Equipment - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2024
Property Plant And Equipment [Line Items]      
Depreciation $ 3,900 $ 3,500 $ 3,000
Property, plant, and equipment, net 9,327 11,231  
United States      
Property Plant And Equipment [Line Items]      
Property, plant, and equipment, net 5,500 6,400  
Asia      
Property Plant And Equipment [Line Items]      
Property, plant, and equipment, net $ 3,800 $ 4,800