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OPERATING LEASES (Schedule of Effect of Operating Lease Right-of-Use Assets, Liabilities and Rent Expense) (Details) - USD ($) | Jul. 31, 2021 | Jul. 31, 2020 | Apr. 30, 2020 | Jul. 31, 2019
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Leases [Abstract] |  |  |  |
Operating Lease Right-of-Use-Asset | $ 34,566,169 | $ 37,077,038 | $ 37,698,819 | $ 27,104,937
Operating lease liabilities | $ 27,840,930 | $ 29,044,966 | 29,326,365 | 17,863,507
Monthly Rent Expense |  |  | $ 277,570 | $ 249,955

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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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