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Warranties
 3 Months Ended
Mar. 31, 2013
Warranties [Abstract]  
Warranties

Note 8 – Warranties

We maintain a reserve for potential warranty claims related to products sold and recognized in revenue. We regularly reassess the adequacy of our estimates and adjust the amounts as necessary. Our warranty reserve is included in other accrued expenses.

The activity in our warranty liability was as follows:

 

                 
    Three months ended
March  31,		  
    2013     2012  

Balance, beginning of period

   $ 45     $ 36  

Provision for claims

     31       80  

Product or cash issued to settle claims

     (30 )      (20 ) 
   

 

 

    

 

 

  

Balance, end of period

   $ 46     $ 96  
   

 

 

    

 

 

  

At March 31, 2013, deferred revenue from extended warranties was $93.