Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Cash Flows From Operating Activities:
Net income (loss)	$ (290,603)	$ 104,255
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Bad debt recoveries	(32,573)	(41,410)
Provision (Benefit) for deferred income taxes	(51,000)	30,000
Depreciation	857,522	841,311
Loss on asset disposal	12,478
Amortization of deferred charges	259,715	224,000
Other Assets - deferred charges	(712,849)
Operating lease expense in excess of cash payments	425,475	617,331
Deferred finance costs included in interest expense	19,056	19,056
Net realized gain on marketable securities	(149,260)
Net unrealized loss on marketable securities	107,651	181,441
Changes in Operating Assets and Liabilities:
Receivables	(65,402)	232,055
Prepaid expenses and other assets	280,357	257,657
Accounts payable and accrued expenses	179,907	(617,729)
Security deposits payable	47,976	(73,002)
Cash provided by operating activities	888,450	1,774,965
Cash Flows From Investing Activities:
Acquisition of property and equipment	(888,986)	(821,329)
Marketable securities:
Receipts from sales	300,000
Payments for purchases	(123,037)	(66,190)
Cash (used) in investing activities	(712,023)	(887,519)
Cash Flows From Financing Activities:
Payments - mortgages	(646,722)	(618,825)
Net cash (used) in financing activities	(646,722)	(618,825)
Increase (decrease) in cash, cash equivalents and restricted cash	(470,295)	268,621
Cash, cash equivalents and restricted cash at beginning of period	2,217,735	2,069,897
Cash, cash equivalents and restricted cash at end of period	$ 1,747,440	$ 2,338,518