CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND RETAINED EARNINGS - USD ($)	3 Months Ended		6 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2017	Jan. 31, 2016
Revenues
Rental income (Notes 4 and 8)	$ 4,533,214	$ 4,315,940	$ 9,013,502	$ 8,593,334
Recovery of real estate taxes			10,952
Revenue to temporarily vacate lease (Note 13)	291,667	291,667	583,334	583,334
Total revenues	4,824,881	4,607,607	9,607,788	9,176,668
Expenses
Real estate operating expenses	2,695,314	2,571,056	5,223,249	4,979,655
Administrative and general expenses	1,204,117	1,258,771	2,289,002	2,309,053
Depreciation and amortization (Note 6)	416,673	407,400	829,300	814,150
Total expenses	4,316,104	4,237,227	8,341,551	8,102,858
Income from operations before investment income, interest expense and income taxes	508,777	370,380	1,266,237	1,073,810
Investment income and interest expense:
Investment income (loss) (Note 3)	35,403	(80)	38,564	7,142
Interest expense (Notes 5, 7 and 10)	(54,618)	(64,574)	(122,214)	(134,851)
Total investment income and interest expense	(19,215)	(64,654)	(83,650)	(127,709)
Income from operations before income taxes	489,562	305,726	1,182,587	946,101
Income taxes provided	166,000	83,000	397,000	322,000
Net income	323,562	222,726	785,587	624,101
Retained earnings, beginning of period	43,931,731	42,353,321	43,469,706	41,951,946
Retained earnings, end of period	$ 44,255,293	$ 42,576,047	$ 44,255,293	$ 42,576,047
Income per common share (Note 2)	$ 0.16	$ 0.11	$ 0.39	$ 0.31
Dividends per share
Average common shares outstanding	2,015,780	2,015,780	2,015,780	2,015,780