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Inventories (Tables)
6 Months Ended
Jun. 30, 2012
Inventories [Abstract]  
Schedule Of Inventory
    June 30,
2012
    December 31,
2011
 
Electronic components   $ 3,375     $ 2,924  
Finished goods     2,176       3,218  
                 
Total   $ 5,551     $ 6,142