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Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2012
Fair Value Measurements [Abstract]  
Change in fair value of contingent consideration
The following table summarizes the changes in the fair value of the Company's contingent consideration during the first nine months of 2012:
 
 
Contingent
 
 
Consideration
 
 
Fair Value
 
 
 
 
Liability balance at January 1, 2012
 
$
239
 
Accretion of present value discount
 
 
2
 
 
 
 
 
Liability balance at March 31, 2012
 
 
241
 
Accretion of present value discount
 
 
2
 
 
 
 
 
Liability balance at June 30, 2012
 
 
243
 
Accretion of present value discount
 
 
2
 
Revaluation of estimated liability
 
 
(245
)
 
 
 
 
Liability balance at September 30, 2012
 
$
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