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Leases - Additional Information (Detail) |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 18, 2024 USD ($) | Jul. 31, 2022 USD ($) ft² | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jul. 31, 2020 ft²
Number of square feet under lease | ft² |  |  |  |  | 32,800
Lease expire date |  | Mar. 31, 2028 | Mar. 31, 2028 |  |
Lease termination date |  | Nov. 30, 2029 | Nov. 30, 2029 |  |
Operating lease liabilities | $ 0 |  |  |  |
Lease expiration amended date | Sep. 30, 2024 |  |  |  |
Termination fee | $ 11,100,000 |  |  |  |
Prepayment of remaining rent | 200,000 |  |  |  |
Proceeds from sale of furniture and fixtures | 1 |  |  |  |
Amount on reduction in remaining right of use asset and lease liability | 22,000 |  |  |  |
Direct costs | 200,000 |  |  | $ 200,000 |
Impairment charge | $ 10,400,000 |  | $ 0 | 10,899,000 |
Supplemental cash flow |  |  | 0 | 13,612,000 |
Remaining future minimum rental payments |  |  |  | 0 |
Right-of-use asset balance |  |  | $ 0 | 214,000 |
Decrease in ROU asset balance |  |  |  | $ 22,000 |
San Diego California [Member] |  |  |  |  |
Operating lease liabilities |  | $ 4,300,000 |  |  |
Accounting Standards Update 2016-02 [Member] |  |  |  |  |
Number of square feet under lease | ft² |  | 12,300 |  |  |

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