v2.3.0.15
Depreciation and Amortization
9 Months Ended
Sep. 30, 2011
Depreciation and Amortization [Abstract] 
Depreciation and Amortization
4. Depreciation and Amortization

Depreciation and amortization expense for property and equipment and intangible assets for the three and nine months ended September 30, 2011 and 2010 was as follows (in thousands):

 

                                 
    THREE MONTHS ENDED
SEPTEMBER 30,
    NINE MONTHS ENDED
SEPTEMBER 30,
 
    2011     2010     2011     2010  

Operating expenses

  $ 5,016     $ 4,947     $ 14,831     $ 14,956  

Corporate general and administrative expenses

    91       97       271       301  
   

 

 

   

 

 

   

 

 

   

 

 

 

Total depreciation and amortization expense

  $ 5,107     $ 5,044     $ 15,102     $ 15,257