CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND RETAINED EARNINGS (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Apr. 30, 2019	Apr. 30, 2018	Apr. 30, 2019	Apr. 30, 2018
Revenues
Rental income (Notes 1, 4 and 7)	$ 5,091,673	$ 4,854,910	$ 15,182,598	$ 14,431,671
Recovery of real estate taxes	8,315		53,341
Total revenues	5,099,988	4,854,910	15,235,939	14,431,671
Expenses
Real estate operating expenses	2,844,624	2,918,858	8,591,284	8,491,805
Administrative and general expenses	1,135,750	1,062,316	4,184,557	3,433,154
Depreciation (Note 6)	474,761	443,697	1,414,045	1,311,386
Total expenses	4,455,135	4,424,871	14,189,886	13,236,345
Income from operations before investment income, interest expense and income taxes	644,853	430,039	1,046,053	1,195,326
Investment income and interest expense:
Investment income (Note 3)	27,377	15,909	184,488	90,131
Change in fair value of marketable securities (Notes 1 and 3)	285,426		143,209
Interest expense (Notes 5 and 9)	(31,721)	(44,776)	(121,049)	(191,961)
Total investment income and interest expense	281,082	(28,867)	206,648	(101,830)
Income from operations before income taxes	925,935	401,172	1,252,701	1,093,496
Income taxes provided (benefit)	270,000	83,000	382,000	(2,074,000)
Net income	655,935	318,172	870,701	3,167,496
Retained earnings, beginning of period	49,071,288	48,244,569	48,369,386	45,395,245
Reclassification of unrealized gain on investments to retained earnings (Note 1)			487,136
Retained earnings, end of period	$ 49,727,223	$ 48,562,741	$ 49,727,223	$ 48,562,741
Income per common share (Note 2)	$ .32	$ 0.16	$ .43	$ 1.57
Dividends per share
Average common shares outstanding	2,015,780	2,015,780	2,015,780	2,015,780