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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Jul. 31, 2021
Accounting Policies [Abstract]  
Schedule of Investments Measured At Fair Value

In accordance with the provisions of Fair Value Measurements, the following are the Company’s financial assets measured on a recurring basis presented at fair value.

Fair value measurements at reporting date
Description       July 31, 2021       Level 1       Level 2       Level 3       July 31, 2020       Level 1       Level 2       Level 3
Assets:
Marketable securities $ 3,901,093 $ 3,901,093 $   –     $   –     $ 3,744,905 $ 3,744,905 $   –     $  
Schedule of Allowance for Uncollectible Receivables

Activity in the allowance for uncollectible receivables for each period follows:

Allowance for
Uncollectible
Accounts Receivable Bad Debt Expense
Period Ended July 31 Period Ended July 31
      2021       2020       2021       2020
Beginning balance $ 82,000 $ $ $
Charge-offs 254,000 423,232 236,000 596,292
Recoveries (18,000 ) (91,840 ) (91,840 )
Rent Abatements reclassified to reduce rental income (249,392 ) (249,392 )
Ending Balance $ 318,000 $ 82,000 $ 236,000 $ 255,060
Schedule of Property and Equipment Depreciation and Amortization Period

Property and equipment are stated at cost. Depreciation is calculated using the straight-line method and the declining-balance method. Amortization of improvements to leased property is calculated over the life of the lease. Lives used to determine depreciation and amortization are generally as follows:

Buildings and improvements       18-40 years
Improvements to leased property 3-10 years
Fixtures and equipment 7-12 years
Other 3-5 years