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Fair Value Measurements
12 Months Ended
Dec. 31, 2013
Fair Value Measurements [Abstract]  
Fair Value Measurements
Note 7. Fair Value Measurements

As of December 31, 2013, the Company held a liability for acquisition-related contingent consideration that is required to be measured at fair value on a recurring basis.

The Company’s acquisition-related contingent consideration is measured at fair value on a recurring basis using Level 3 inputs.

The following table presents changes to the Company’s acquisition-related contingent consideration for the years ended December 31, 2013 and 2012:

 
Fair Value Measurements Using Significant
 
Unobservable Inputs(Level 3)
 
Acquisition-related Contingent Consideration
 
 
2013
2012
 
Balance at January 1
 
E
6,533
  
E
5,753
 
Change in fair value
  
(6,297
)
  
780
 
Balance at December 31
 
E
236
  
E
6,533
 

The fair value recorded as of December 31, 2012 was determined based on a projection period ending in 2023, which corresponds to the lifetime of the underlying patents.