Long-lived Assets (Details) (USD $)	Jul. 31, 2012	Jul. 31, 2011
Property, Plant and Equipment, Gross	$ 1,569,088	$ 6,711,767
Less: Accumulated Depreciation	864,410	5,439,900
Property and Equipment, Net	704,678	1,271,867
Land [Member]
Property, Plant and Equipment, Gross	140,450	237,969
Building Improvements [Member]
Property, Plant and Equipment, Gross	934,668	1,508,288
Furniture and Fixtures [Member]
Property, Plant and Equipment, Gross	47,794	149,540
Office Equipment [Member]
Property, Plant and Equipment, Gross	52,395	201,314
Equipment [Member]
Property, Plant and Equipment, Gross	$ 393,781	$ 4,614,656

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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