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Inventories
9 Months Ended
Sep. 30, 2012
Inventories [Abstract]  
Inventories

Note 3 - Inventories

Inventories, consisting principally of hardware and component parts, are stated at the lower of cost or market. Cost is determined using the FIFO method.

Inventories are comprised of the following:

 

                 
    September 30,
2012
    December 31,
2011
 

Component parts

  $ 7,484     $ 6,447  

Work-in-process and finished goods

    10,211       9,586  
   

 

 

   

 

 

 

Total

  $ 17,695     $ 16,033