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Financial instruments
 12 Months Ended
Dec. 31, 2012
Financial instruments

Note 14—Financial instruments:

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

 

     December 31,      December 31,  
     2011      2012  
     Carrying      Fair      Carrying      Fair  
     amount      value      amount      value  

Cash and cash equivalents

    $ 10,081       $ 10,081       $ 63,777       $ 63,777   

Accounts receivable, net

      14,246         14,246         8,480         8,480   

Accounts payable

      6,203         6,203         2,797         2,797   

Variable rate long-term debt – (including current maturities)

      24,185         24,185         18,480         18,480   

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. The fair value of our long-term debt is a Level 2 inputs as defined by ASC Topic 820-10-35.