Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022
Revenues
Rental income	$ 5,837,819	$ 5,328,349	$ 11,607,553	$ 10,407,896
Total revenues	5,837,819	5,328,349	11,607,553	10,407,896
Expenses
Real estate operating expenses	3,958,144	3,670,065	7,743,565	7,300,187
Administrative and general expenses	1,406,855	1,417,412	2,657,086	2,821,524
Depreciation	422,815	452,412	841,311	903,682
Total expenses	5,787,814	5,539,889	11,241,962	11,025,393
Income (loss) from operations	50,005	(211,540)	365,591	(617,497)
Other income and interest expense:
Investment income	75,010	198,535	83,807	205,302
Change in fair value of marketable securities	5,762	(183,611)	(181,441)	(236,738)
Interest expense	(71,039)	(78,214)	(133,702)	(158,647)
Total investment income and interest expense	9,733	(63,290)	(231,336)	(190,083)
Income (loss) from operations before income taxes	59,738	(274,830)	134,255	(807,580)
Income taxes provided (benefit)	15,000	(79,000)	30,000	(221,000)
Net income (loss)	$ 44,738	$ (195,830)	$ 104,255	$ (586,580)
Income (loss) per common share, basic (in Dollars per share)	$ 0.02	$ (0.10)	$ 0.05	$ (0.29)
Dividends per share (in Dollars per share)
Average common shares outstanding, basic (in Shares)	2,015,780	2,015,780	2,015,780	2,015,780