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Trade Accounts Receivable (Tables)
9 Months Ended
Sep. 30, 2014
Receivables [Abstract]  
Summary of Trade Accounts Receivable

Trade accounts receivable are recorded at the invoiced amount.

 

     September 30,
2014
    December 31,
2013
 

Trade accounts receivable

   $ 3,883      $ 5,883   

Allowance for doubtful accounts

     (32     (45
  

 

 

   

 

 

 

Trade accounts receivable, net

   $ 3,851      $ 5,838   
  

 

 

   

 

 

 

Unpaid deferred revenue included in trade accounts receivable

   $ 639      $ 3,319   
  

 

 

   

 

 

 
Customers Who Accounted for 10% or More of Trade Accounts Receivable, Net

Customers who accounted for 10% or more of trade accounts receivable, net are as follows:

 

     September 30,
2014
    December 31,
2013
 

Central Banks

     45     47

Civolution

     21     10

Nielsen

     *        20

 

* Less than 10%