XML 37 R23.htm IDEA: XBRL DOCUMENT v2.4.0.6
Financial instruments and fair value measurements (Tables)
9 Months Ended
Sep. 30, 2012
Financial Instruments that Required Fair Value Disclosure
     December 31,      September 30,  
     2011      2012  
     Carrying      Fair      Carrying      Fair  
     amount      value      amount      value  
     (In thousands)  

Cash and cash equivalents

   $ 10,081       $ 10,081       $ 7,030       $ 7,030   

Accounts receivable, net

     14,246         14,246         17,212         17,212   

Accounts payable

     6,203         6,203         5,201         5,201   

Long-term debt (including current maturities)

     24,185         24,185         22,515         22,515