Property and equipment - Schedule of Property Plant and Equipment (Detail) - USD ($) $ in Thousands |
Mar. 31, 2023 |
Jun. 30, 2022 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | $ 3,376 | $ 3,354 |
| Less accumulated depreciation and amortization | (1,190) | (796) |
| Property, plant and equipment, net | 2,186 | 2,558 |
| Lab Equipment [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | 1,142 | 1,143 |
| Software [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | 1,499 | 1,476 |
| Office Equipment [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | 124 | 124 |
| Office Furniture [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | 35 | 35 |
| Leasehold Improvements [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | $ 576 | $ 576 |