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Fair Value Measurements (Tables)
 9 Months Ended
Sep. 30, 2012
Fair Value Measurements  
Summary of fair values and levels within the fair value hierarchy in which the fair value measurements fall for assets and liabilities measured on a recurring basis

The following table summarizes the fair values and levels within the fair value hierarchy in which the fair value measurements fall for assets and liabilities measured on a recurring basis as of September 30, 2012 (in thousands):

 
    
   Fair Value Measurements at Reporting
Date Using 		 
 
   Total   Quoted Prices In
Active Markets
for Identical
Assets
(Level 1) 		  Significant
Other
Observable
Inputs
(Level 2) 		  Significant
Unobservable
Inputs
(Level 3) 		 

Cash and cash equivalents

   $ 35,665   $ 35,665   $ —   $ —  

Contingent earn-out obligations

   $ 2,733   $ —   $ —   $ 2,733  

        
Schedule of reconciliation of the fair value of contingent earn-out obligations that use significant unobservable inputs (Level 3)

The table below presents a reconciliation of the fair value of our contingent earn-out obligations that use significant unobservable inputs (Level 3) (in thousands).

Balance at beginning of year

   $ 2,488  

Issuances

     140  

Settlements

     —  

Adjustments to fair value

     105  
       

Balance at end of period

   $ 2,733