Fair Value (Tables)
 12 Months Ended
Dec. 31, 2013
Assets and Liabilities Measured at Fair Value on a Recurring Basis and Fair Value Hierarchy of the Valuation Techniques

Assets and liabilities measured at fair value on a recurring basis as of December 31, 2013 and 2012 and the fair value hierarchy of the valuation techniques the Company utilized to determine such fair value are as follows:

 

     Fair Value      Quoted Prices in
Active  Markets
for Identical
Assets
(Level 1)		    Significant
Other
Observable
Inputs
(Level 2)		    Significant
Unobservable
Inputs (Level 3)		  

December 31, 2013

            

Assets-cost method investments

    $ 3,382             $ 3,382   

Liabilities:

            

Contingent consideration

      15,457               15,457   

Obligation for AWS call/put option

      10,104               10,104   

December 31, 2012

            

Assets-cost method investments

    $ 7,682             $ 7,682   

Liabilities:

            

Contingent consideration

      10,431               10,431   

Obligation for AWS call/put option

      9,021               9,021   

Changes to Contingent Consideration

Changes to contingent consideration obligations during the years ended December 31, 2013 and 2012 were as follows:

 

     December 31,  
     2013     2012  

Balance at beginning of period

    $ 10,431      $ 13,597   

Additions related to acquisitions

      8,141        5,445   

Accretion

      293        1,365   

Cash payments

      (1,884 )      (1,000 ) 

Issuances of stock

      (47 )      (6,000 ) 

Changes in fair value of contingent consideration, net

      (1,477 )      (2,976 ) 
  

 

 

    

 

 

  

Balance at end of period

      15,457        10,431   

Less: current portion

      (13,113 )      (1,568 ) 
  

 

 

    

 

 

  

Total long-term contingent consideration

    $ 2,344      $ 8,863   
  

 

 

    

 

 

  
Changes to Financing Obligation to Acquire Non-controlling Interest

Changes to the financing obligation to acquire the non-controlling interest during the year ended December 31, 2013 were as follows:

 

Balance at December 31, 2012

    $ 9,021   

Accretion

      1,083   
  

 

 

  

Balance at December 31, 2013

    $ 10,104