Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Oct. 31, 2023	Oct. 31, 2022
Cash Flows From Operating Activities:
Net income (loss)	$ (192,544)	$ 59,517
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Bad debt expense (recoveries)	(33,000)	(60,000)
Provision (benefit) for deferred income taxes	(55,000)	15,000
Depreciation	428,264	418,496
Amortization of deferred charges	119,038	112,000
Operating lease expense in excess of cash payments	213,201	309,111
Deferred finance costs included in interest expense	9,528	9,528
Deferred costs	(152,088)
Net unrealized loss on marketable securities	163,567	187,203
Changes in Operating Assets and Liabilities:
Receivables	74,380	365,853
Prepaid expenses and other assets	1,263,962	1,201,613
Accounts payable and accrued expenses	(81,912)	(65,569)
Security deposits payable		(9,264)
Cash provided by operating activities	1,757,396	2,543,488
Cash Flows From Investing Activities:
Acquisition of property and equipment	(312,727)	(648,115)
Cash (used) in investing activities	(312,727)	(648,115)
Cash Flows From Financing Activities:
Payments - mortgage and other debt payments	(321,574)	(307,702)
Cash (used) in financing activities	(321,574)	(307,702)
Increase in cash, cash equivalents and restricted cash	1,123,095	1,587,671
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	$ 3,340,830	$ 3,657,568