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Financial instruments and fair value measurements
 6 Months Ended
Jun. 30, 2013
Fair Value Disclosures [Abstract]  
Financial instruments and fair value measurements

Note 10 – Financial instruments and fair value measurements:

The following table presents the financial instruments that are not carried at fair value but which require fair value disclosure:

 

     December 31,      June 30,  
     2012      2013  
     Carrying      Fair      Carrying      Fair  
     amount      value      amount      value  
     (In thousands)  

Cash and cash equivalents

    $ 63,777       $ 63,777       $ 52,736       $ 52,736   

Accounts receivable, net

      8,480         8,480         10,741         10,741   

Accounts payable

      2,797         2,797         2,710         2,710   

Long-term debt (including current maturities)

      18,480         18,480         17,980         17,980   

Due to their near-term maturities, the carrying amounts of accounts receivable and accounts payable are considered equivalent to fair value. The fair value of our variable-rate long-term debt is deemed to approximate book value and is a Level 2 input.