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Note 4 - Property and Equipment, Net (Tables)
9 Months Ended
Nov. 30, 2012
Property, Plant and Equipment [Table Text Block]
   
November 30, 2012
   
February 29, 2012
 
Land
  $ 513,618     $ 513,618  
Building
    4,764,005       4,700,905  
Machinery and equipment
    8,784,810       8,580,960  
Furniture and fixtures
    1,452,570       1,614,484  
Leasehold improvements
    1,814,118       2,064,345  
Transportation equipment
    362,413       360,582  
Impairment provision of long-lived assets
    (1,989,216 )     -  
    $ 15,702,318     $ 17,834,894  
                 
Less accumulated depreciation
    9,908,127       9,319,250  
                 
Property and equipment, net
  $ 5,794,191     $ 8,515,644