Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Cash Flows From Operating Activities:
Net income (loss)	$ 104,255	$ (586,580)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Bad debt expense (recoveries)	(41,410)	219,350
Provision (Benefit) for deferred income taxes	30,000	(221,000)
Depreciation	841,311	903,682
Amortization of deferred charges	224,000	285,210
Operating lease expense in excess of cash payments	617,331	610,136
Deferred finance costs included in interest expense	19,056	19,056
Net realized gain on marketable securities		(48,213)
Net unrealized loss on marketable securities	181,441	236,738
Changes in Operating Assets and Liabilities:
Receivables	232,055	(430,879)
Prepaid expenses and other assets	257,657	203,162
Accounts payable and accrued expenses	(617,729)	(369,905)
Security deposits payable	(73,002)	(23,107)
Cash provided by operating activities	1,774,965	797,650
Cash Flows From Investing Activities:
Acquisition of property and equipment	(821,329)	(871,988)
Marketable securities:
Receipts from sales		400,254
Payments for purchases	(66,190)	(127,414)
Cash (used) in investing activities	(887,519)	(599,148)
Cash Flows From Financing Activities:
Payments - mortgages	(618,825)	(592,124)
Net cash (used) in financing activities	(618,825)	(592,124)
Increase (decrease) in cash, cash equivalents and restricted cash	268,621	(393,622)
Cash, cash equivalents and restricted cash at beginning of period	2,069,897	2,434,719
Cash, cash equivalents and restricted cash at end of period	$ 2,338,518	$ 2,041,097