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Supplemental Cash Flows
3 Months Ended
Mar. 31, 2012
Supplemental Cash Flows  
Supplemental Cash Flows

3. Supplemental Cash Flows

        Supplemental disclosures of cash flow information are as follows:

 
  Three months ended March 31,  
(in thousands)
  2012   2011  

Cash paid during the period for:

             

Income taxes

  $ 826   $ 288  

Interest expense

    33     168  

Noncash investing activities:

             

Acquisition of property and equipment for which payment was pending

    1,651     1,846