CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND RETAINED EARNINGS - USD ($)	3 Months Ended		9 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Revenues
Rental income (Notes 4 and 8)	$ 4,383,471	$ 4,447,781	$ 12,976,805	$ 13,200,371
Recovery of real estate taxes				10,625
Revenue to temporarily vacate lease (Note 13)	$ 291,667	$ 291,667	$ 875,001	875,001
Total revenues	4,675,138	4,739,448	13,851,806	14,085,997
Expenses
Real estate operating expenses	2,508,975	2,588,714	7,488,630	7,383,648
Administrative and general expenses	1,037,323	918,865	3,357,776	3,041,595
Depreciation and amortization (Note 6)	408,886	402,260	1,223,036	1,287,067
(Gain) loss on dispositon of property and equipment	(500)	27,648	(500)	27,648
Total expenses	3,954,684	3,937,487	12,068,942	11,739,958
Income from operations before investment income, interest expense and income taxes	720,454	801,961	1,782,864	2,346,039
Investment income and interest expense:
Investment income (Note 3)	9,653	13,525	16,795	46,069
Interest expense (Notes 5, 7 and 10)	(34,716)	(64,524)	(158,167)	(265,561)
Interest Income (Expense), Net	(25,063)	(50,999)	(141,372)	(219,492)
Income from operations before income taxes	695,391	750,962	1,641,492	2,126,547
Income taxes provided	244,000	329,000	566,000	937,000
Net income	451,391	421,962	1,075,492	1,189,547
Retained earnings, beginning of period	42,576,047	40,510,849	41,951,946	39,743,264
Retained earnings, end of period	$ 43,027,438	$ 40,932,811	$ 43,027,438	$ 40,932,811
Income per common share (Note 2)	$ 0.22	$ 0.21	$ 0.53	$ 0.59
Dividends per share
Average common shares outstanding	2,015,780	2,015,780	2,015,780	2,015,780