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FAIR VALUE MEASUREMENT (Tables)
9 Months Ended
Sep. 30, 2013
Fair Value Disclosures [Abstract]  
Fair Value, by Balance Sheet Grouping
The following table presents information as of December 31, 2012, about our financial assets and liabilities that are measured at fair value on a recurring basis, according to the valuation techniques we used to determine their fair values (in thousands). 
 
 
Level 1
 
Level 2
 
Level 3
 
Total Fair
Value
December 31, 2012
 
 
 
 
 
 
 
 
Contingent purchase price related to acquisitions
 

 

 
922

 
922

Total liabilities at fair value
 
$

 
$

 
$
922

 
$
922

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation
The table below sets forth a reconciliation of our beginning and ending Level 3 financial liability balance (in thousands). We had no Level 3 liabilities as of September 30, 2013.  
 
Three Months Ended September 30,
 
2013
 
2012
Balance, beginning of period
$

 
$
1,474

Payments of contingent purchase price

 

Total unrealized losses included in earnings

 
76

Balance, end of period
$

 
$
1,550