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Note 4 - Inventory
9 Months Ended
Aug. 31, 2013
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

4)        Inventory


Major classes of inventory are:


   

August 31, 2013

   

November 30, 2012

 

Raw materials

  $ 9,738,444     $ 8,466,060  

Work in process

    310,240       632,969  

Finished goods

    6,547,618       7,694,528  
    $ 16,596,302     $ 16,793,557  

Less: Reserves

    (2,901,466 )     (2,466,075 )
    $ 13,694,836     $ 14,327,482