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INVENTORIES
12 Months Ended
Sep. 30, 2012
INVENTORIES [Abstract]  
INVENTORIES
4.  INVENTORIES

Inventories consisted of the following:

   
September 30,
 
   
2012
  
2011
 
        
Raw materials
 $34,591  $26,217 
Work in process
  6,333   4,964 
Finished goods
  25,548   24,947 
Total
 $66,472  $56,128 

The increase in our inventory balance at September 30, 2012 was primarily due to raw material purchases made for business continuity purposes as we negotiate the terms of a new supply agreement with an existing supplier to replace the current agreement, which will expire at the end of December 2012.