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The Incentive Stock Plans - Additional Information (Detail) - shares | 1 Months Ended | 9 Months Ended
--- | --- | ---
Feb. 28, 2025 | Feb. 28, 2023 | Jun. 30, 2025 | Jun. 30, 2024
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Options granted |  |  | 0 | 0
Incentive Stock Plan 2021 [Member] |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Increase in total number of available shares | 495,000 | 1,300,000 |  |
Incentive Stock Plan 2021 [Member] | Subject To Award [Member] |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Common stock, shares authorized |  |  | 2,795,000 |
Incentive Stock Plan 2011 [Member] |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Number of Common stock shares available |  |  | 545,729 |

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