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Fair Value Measurements (Details Narrative) - USD ($) $ in Millions | Apr. 30, 2022 | Jul. 31, 2021
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Fair Value Disclosures [Abstract] |  |
Investment in hedge funds | $ 2.6 | $ 3.6

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- Definition Investment in hedge funds. + References No definition available. + Details
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Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
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