CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($)	3 Months Ended
	Oct. 31, 2021	Oct. 31, 2020
Revenues
Rental income	$ 5,079,547	$ 4,834,994
Total revenues	5,079,547	4,834,994
Expenses
Real estate operating expenses	3,630,122	3,582,617
Administrative and general expenses	1,404,112	1,169,523
Depreciation	451,270	443,939
Total expenses	5,485,504	5,196,079
Loss from operations	(405,957)	(361,085)
Other income and interest expense:
Investment income	6,767	89,226
Change in fair value of marketable securities	(53,127)	(214,954)
Interest expense	(80,433)	(85,611)
Total investment income and interest expense	(126,793)	(211,339)
Loss from operations before income taxes	(532,750)	(572,424)
Income taxes provided (benefit)	(142,000)	(157,000)
Net loss	$ (390,750)	$ (415,424)
Loss per common share, basic and diluted	$ (0.19)	$ (0.21)
Dividends per share
Average common shares outstanding, basic and diluted	2,015,780	2,015,780