Defined Contribution Plan (Details) - USD ($) |
12 Months Ended | |
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Jul. 31, 2026 |
Jul. 31, 2025 |
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| Defined Contribution Plan [Line Items] | ||
| Cost for matching contributions | $ 53,000 | $ 52,000 |
| Class B common stock [Member] | ||
| Defined Contribution Plan [Line Items] | ||
| Shares contribute (in shares) | 14,268 | 20,225 |
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- Definition Amount of cost for defined contribution plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of shares issued during the period to an employee benefit plan, such as a defined contribution or defined benefit plan. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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