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INVENTORY
9 Months Ended
Dec. 31, 2011
INVENTORY  
INVENTORY

6. INVENTORY

        Inventory balances by category are as follows:

 
  December 31,
2011
  March 31,
2011
 

Finished products

  $ 19,922   $ 21,541  

Parts and supplies

    2,594     3,037  
           

Inventory

  $ 22,516   $ 24,578  
           

        Estimated product returns included in inventory at December 31, 2011 and March 31, 2011 were $1,722 and $1,183, respectively.