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Note 5 - Property, Plant, and Equipment
12 Months Ended
Nov. 30, 2011
Property, Plant and Equipment Disclosure [Text Block]
(5)           Property, Plant, and Equipment

   
2011
   
2010
 
Land
  $ 795,998     $ 795,998  
Buildings and improvements
    8,295,813       8,045,488  
Construction in Progress
    290,667       86,214  
Manufacturing machinery and equipment
    11,261,585       10,848,583  
Trucks and automobiles
    347,110       363,014  
Furniture and fixtures
    141,637       139,547  
      21,132,810       20,278,844  
Less accumulated depreciation
    (12,860,729 )     (12,245,429 )
Property, plant and equipment
  $ 8,272,081     $ 8,033,415  

Depreciation expense totaled $720,169 and $655,885 for the fiscal years ended November 30, 2011 and 2010, respectively.