CONSOLIDATED STATEMENTS OF INCOME AND RETAINED EARNINGS (USD $)	3 Months Ended
	Oct. 31, 2013	Oct. 31, 2012
Revenues
Rental income (Notes 4 and 8)	$ 4,218,764	$ 4,194,532
Expenses
Real estate operating expenses	2,151,725	2,000,894
Administrative and general expenses	918,048	844,069
Depreciation and amortization (Notes 6)	418,555	401,257
Loss on disposition of property and equipment	4,291
Total expenses	3,492,619	3,246,220
Income from continuing operations before investment income, interest expense and income taxes	726,145	948,312
Investment income and interest expense:
Investment income (Note 3)	189,424	10,324
Interest expense (Notes 5, 7 and 10)	(98,545)	(113,862)
Interest Income (Expense), Net	90,879	(103,538)
Income from continuing operations before income taxes	817,024	844,774
Income taxes provided	381,000	344,000
Net income	436,024	500,774
Retained earnings, beginning of period	39,003,941	38,340,270
Retained earnings, end of period	$ 39,439,965	$ 38,841,044
Income per common share (Note 2)	$ 0.22	$ 0.25
Dividends per share
Average common shares outstanding	2,015,780	2,015,780