Property and Equipment - at cost (Details) (USD $)	Oct. 31, 2012	Jul. 31, 2012
Property:
Property - net	$ 44,086,275	$ 44,259,379
Land and Building [Member]
Property:
Buildings and improvements	68,359,303	68,160,718
Improvements to leased property	1,478,012	1,478,012
Land	6,067,805	6,067,805
Construction in progress	102,035	72,467
Property - gross	76,007,155	75,779,002
Less accumulated depreciation	32,009,188	31,620,831
Property - net	43,997,967	44,158,171
Property, Plant and Equipment, Other Types [Member]
Property:
Property - gross	387,072	387,072
Less accumulated depreciation	298,764	285,864
Property - net	88,308	101,208
Fixtures and equipment and other:
Fixtures and equipment	167,687	167,687
Other fixed assets	$ 219,385	$ 219,385