MARKETABLE SECURITIES (Schedule of Classified Marketable Securities) (Details) - USD ($)	Jul. 31, 2021	Jul. 31, 2020
Fair Value	$ 3,901,093	$ 3,744,905
Gross Unrealized Gains	1,560,263	1,120,074
Gross Unrealized Losses		5,937
Cost	2,340,830	2,630,768
Mutual Fund [Member]
Fair Value	1,604,841	1,374,557
Gross Unrealized Gains	619,972	297,064
Gross Unrealized Losses
Cost	984,869	1,077,493
Corporate Equity Securities [Member]
Fair Value	2,296,252	2,370,348
Gross Unrealized Gains	940,291	823,010
Gross Unrealized Losses		5,937
Cost	$ 1,355,961	$ 1,553,275

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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