Stock-Based Compensation - Summary of Assumptions Used in Black-Scholes Option-Pricing Model to Determine Fair Value of Stock Options (Details) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Apr. 29, 2023 |
Apr. 30, 2022 |
Apr. 29, 2023 |
Apr. 30, 2022 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Volatility | 83.20% | 67.00% | ||
| Volatility, minimum | 83.20% | 62.10% | ||
| Volatility, maximum | 87.30% | 67.00% | ||
| Risk free interest rate, minimum | 3.60% | 1.40% | 3.60% | 0.80% |
| Risk free interest rate, maximum | 3.80% | 1.50% | 4.40% | 1.50% |
| Dividend yield | 0.00% | 0.00% | 0.00% | 0.00% |
| Minimum | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Expected term (in years) | 3 years 9 months 18 days | 3 years 1 month 6 days | 3 years 2 months 12 days | 3 years 1 month 6 days |
| Maximum | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Expected term (in years) | 5 years 3 months 18 days | 3 years 8 months 12 days | 5 years 6 months | 5 years 6 months |