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Inventories
3 Months Ended
Mar. 31, 2012
Inventories [Abstract]  
Inventories

NOTE K – INVENTORIES

Inventories consist of the following:

 

     As of
March 31, 2012
    As of
December 31, 2011
 

Raw materials

   $ 34,001      $ 28,675   

Finished goods

     8,019        7,251   

Sales demonstration inventory

     17,352        16,794   

Reserve for excess and obsolete

     (3,030     (2,786
  

 

 

   

 

 

 

Inventory

   $ 56,342      $ 49,934   
  

 

 

   

 

 

 

Service inventory

   $ 18,477      $ 17,316