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Note 4 - Property and Equipment, Net (Tables)
6 Months Ended
Aug. 31, 2012
Property, Plant and Equipment [Table Text Block]
   
August 31, 2012
   
February 29, 2012
 
             
Land
  $ 513,618     $ 513,618  
Building
    4,742,905       4,700,905  
Machinery and equipment
    8,655,720       8,580,960  
Furniture and fixtures
    1,448,943       1,614,484  
Leasehold improvements
    1,814,118       2,064,345  
Transportation equipment
    362,413       360,582  
      17,537,717       17,834,894  
                 
Less accumulated depreciation
    9,716,619       9,319,250  
                 
Property and equipment, net
  $ 7,821,098     $ 8,515,644