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Fair Value Measurements (Tables)
 9 Months Ended 12 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Fair Value Disclosures [Abstract]    
Summary of Assets Measured at Fair Value on a Recurring Basis

The following table presents the fair value level for the assets that are measured at fair value on a recurring basis and are categorized using the fair value hierarchy. The Company does not have any liabilities that are measured at fair value.

 

     Fair Value Measurements  

Description

    Balance
Sept  30,
2013		      (In thousands)
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

    $ 38,693       $ 38,693       $ —         $ —     
  

 

 

     

 

 

     

 

 

     

 

 

  

Short-term investments:

            

Certificates of deposit

    $ 230       $ —         $ 230       $ —     
  

 

 

     

 

 

     

 

 

     

 

 

  

The following table presents the fair value level for the cash and cash equivalents and short-term investments which represents the assets that are measured at fair value on a recurring basis and are categorized using the fair value hierarchy. The Company does not have any liabilities that are measured at fair value.

 

Description

    Balance
December 31,
2012		      Level 1      Level 2      Level 3  
     (In thousands)  

Cash and cash equivalents

    $ 7,414       $ 6,604       $ 810       $ —   

Short-term investments

      203         —         203         —   
  

 

 

     

 

 

     

 

 

     

 

 

  

Total

    $ 7,617       $ 6,604       $ 1,013       $ —