CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND RETAINED EARNINGS (USD $)	3 Months Ended		9 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012
Revenues
Rental income (Notes 4 and 8)	$ 3,704,426	$ 4,185,661	$ 12,004,447	$ 12,277,435
Expenses
Real estate operating expenses	2,154,463	1,918,185	6,607,728	6,042,225
Administrative and general expenses	876,370	902,911	2,673,644	2,788,877
Depreciation and amortization (Note 6)	404,479	395,827	1,208,221	1,175,961
Loss on disposition of property and equipment	0	4,215	316,021	4,215
Total expenses	3,435,312	3,221,138	10,805,614	10,011,278
Income from operations before investment income, interest expense and income taxes	269,114	964,523	1,198,833	2,266,157
Investment income and interest expense:
Investment income (Note 3)	12,094	4,959	69,291	23,176
Interest expense (Notes 5, 7 and 10)	(99,171)	(120,323)	(323,281)	(410,252)
Interest Income (Expense), Net	(87,077)	(115,364)	(253,990)	(387,076)
Income from operations before income taxes	182,037	849,159	944,843	1,879,081
Income taxes provided	109,000	709,000	382,000	1,053,000
Net income	73,037	140,159	562,843	826,081
Retained earnings, beginning of period	38,830,076	37,755,839	38,340,270	37,069,917
Retained earnings, end of period	$ 38,903,113	$ 37,895,998	$ 38,903,113	$ 37,895,998
Income per common share (Note 2) (in dollars per share)	$ 0.04	$ 0.07	$ 0.28	$ 0.41
Dividends per share (in dollars per share)	$ 0	$ 0	$ 0	$ 0
Average common shares outstanding (in shares)	2,015,780	2,015,780	2,015,780	2,015,780