Property and Equipment - at cost (Schedule of property and equipment) (Details) (USD $)	Oct. 31, 2013	Jul. 31, 2013
Property, Plant and Equipment [Line Items]
Property and equipment - net	$ 46,650,947	$ 45,634,465
Buildings and improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	70,679,581	70,513,716
Improvements to leased property [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	1,478,012	1,478,012
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	6,067,805	6,067,805
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	1,761,397	487,934
Property [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	79,986,795	78,547,467
Less accumulated depreciation	33,505,360	33,097,163
Property and equipment - net	46,481,435	45,450,304
Fixtures and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	139,398	194,893
Other fixed assets [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	238,906	238,906
Fixtures and equipment and other [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	378,304	433,799
Less accumulated depreciation	208,792	249,638
Property and equipment - net	$ 169,512	$ 184,161