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FINANCIAL INSTRUMENTS AND CREDIT RISK CONCENTRATIONS (Tables)

12 Months Ended

Jul. 31, 2021

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Financial Instruments

		July 31, 2021						July 31, 2020
		Carrying			Fair			Carrying			Fair
		Value			Value			Value			Value
Cash and cash equivalents		$	1,552,389		$	1,552,389		$	3,260,135		$	3,260,135
Marketable securities		$	3,901,093		$	3,901,093		$	3,744,905		$	3,744,905
Restricted cash		$	882,330		$	882,330		$	1,143,666		$	1,143,666
Mortgages and note payable		$	7,649,632		$	8,088,201		$	9,519,658		$	9,915,121