XML 41 R12.htm IDEA: XBRL DOCUMENT v2.4.0.6
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.