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Inventories
6 Months Ended
Jun. 30, 2011
Inventories  
Inventories

(5) Inventories

 

Inventories consisted of the following (in thousands):

 

 

June 30,

  December 31,
  2011   2010
       
Finished goods and demonstration equipment  $      2,020    $      1,521
Purchased parts and subassemblies 3,797   2,981
   $      5,817    $      4,502