Marketable Securities (Details) - Schedule of investment income - USD ($) |
3 Months Ended | |
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Oct. 31, 2022 |
Oct. 31, 2021 |
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| Schedule Of Investment Income Abstract | ||
| Interest income | $ 15 | |
| Dividend income | 8,782 | 6,767 |
| Total | $ 8,797 | $ 6,767 |
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- References No definition available.
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- Definition Amount of dividend income on nonoperating securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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