Property acquisition (Schedule of Results of Operations) (Details) - Jul. 31, 2014 - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	Total	Total
Schedule of pro-forma information
Revenues	$ 10,754	$ 33,039
Net expenses	9,413	29,608
Income from continuing operations	$ 1,341	3,431
Income from discontinued operations		7
Gain on sale of discontinued operation		8,734
Net income	$ 1,341	12,172
Net income attributable to noncontrolling interest in subsidiaries	(162)	(453)
Net income attributable to common equity	$ 1,179	$ 11,719
Earnings per share - basic and diluted
Continuing operations	$ 0.17	$ 0.43
Discontinued operations		1.26
Net income attributable to common equity	$ 0.17	$ 1.69
Weighted average shares outstanding - basic and diluted	6,922	6,925