Long-lived Assets (Tables)

12 Months Ended

Jul. 31, 2012

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

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

	July 31,
	2012		2011
Land	$	140,450	$	237,969
Buildings and Improvements		934,668		1,508,288
Furniture and Fixtures		47,794		149,540
Office Equipment		52,395		201,314
Lab Equipment		393,781		4,614,656
Total Property and Equipment		1,569,088		6,711,767
Less:  Accumulated Depreciation		864,410		5,439,900
Property and Equipment, Net	$	704,678	$	1,271,867

Investment [Table Text Block]

The costs and accumulated depreciation of assets held for investment are summarized as follows:

	July 31,
	2012		2011
Assets Held For Investment	$	1,179,276	$	5,100,519
Less:  Accumulated Depreciation		320,899		1,465,590
Assets Held for Investment, Net	$	858,377	$	3,634,929