Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands |
Apr. 30, 2025 |
Apr. 30, 2024 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | $ 58,785 | $ 43,651 |
| Less: accumulated depreciation | (23,955) | (17,546) |
| Property and equipment, net | 34,830 | 26,105 |
| Medical Rental Equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 52,670 | 38,097 |
| Computer Software and Equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 1,446 | 1,439 |
| Test Equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 3,115 | 1,564 |
| Leasehold Improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 919 | 891 |
| Work in Progress | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | $ 635 | $ 1,660 |