Property and Equipment:

12 Months Ended

Jul. 31, 2011

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Disclosure [Text Block]

Note 3 - Property and Equipment:

The costs and accumulated depreciation of property and equipment are summarized as follows:

	July 31,
	2011		2010

Land	$	237,969	$	220,409
Buildings and Improvements		1,508,288		1,396,990
Furniture and Fixtures		149,540		159,739
Office Equipment		201,314		210,379
Lab Equipment		4,614,656		4,438,268

Total Property and Equipment		6,711,767		6,425,785

Less: Accumulated Depreciation		5,439,900		5,084,377

Property and Equipment, Net	$	1,271,867	$	1,341,408

Depreciation expense related to property and equipment amounted to $172,250, $238,253 and $298,407 for the years ended July 31, 2011, 2010 and 2009, respectively.

- Definition

The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

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