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Disposition of a Non-financial Asset - Additional Information (Detail) - USD ($) |  |  | 12 Months Ended
--- | --- | --- | ---
Oct. 22, 2024 | Oct. 01, 2023 | Jun. 30, 2025 | Jun. 30, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Adopted agreement date | Oct. 22, 2024 | Oct. 01, 2023 |  |
Reimbursement amount |  |  | $ 55,000 |
Purchaser initial payment |  |  | 500,000 | $ 0
Gain of disposition |  |  | 500,000 | $ 0
Research And Development Arrangement |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Reimbursement amount |  |  | $ 55,000 |
Asset Purchase Agreement |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Reimbursement amount | $ 55,000 |  |  |
Purchaser initial payment | 500,000 |  |  |
Asset Purchase Agreement | Maximum |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Milestone payment | $ 62,000,000 |  |  |

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- Definition Amount of gain (loss) on sale or disposal of other assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition Amount of cash inflow from the sale of other assets recognized in investing activities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 45 -Paragraph 12 -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 + Details
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