v3.26.1
Income Taxes - Effective Tax Rate Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2024
Amount      
Expected benefit at federal statutory rate $ (98,605) $ (60,422) $ (58,570)
State tax expense—net of federal benefit 30 272 292
Impact of foreign operations (169) (156) (158)
Federal research and development credit (4,042) (3,562) (3,087)
Change in valuation allowance 70,323 64,770 66,556
Stock-based compensation 29,614 (1,072) (5,001)
Meals and entertainment   228 207
ASC 740-10 Reserve   140 0
Other permanent items 1,520 778 553
Changes in Unrecognized Tax Benefits (Gross) 2,151    
Provision for income taxes $ 822 $ 976 $ 792
Percent      
Expected benefit at federal statutory rate 21.00%    
State tax expense—net of federal benefit (0.01%)    
Impact of foreign operations 0.04%    
Federal research and development credit 0.86%    
Change in valuation allowance (14.98%)    
Stock-based compensation (6.31%)    
Other permanent items (0.32%)    
Changes in Unrecognized Tax Benefits (Gross) (0.46%)    
Total provision for income taxes (0.18%)