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PREPAIDS AND OTHER ASSETS (Tables)
12 Months Ended
Dec. 31, 2012
PREPAIDS AND OTHER ASSETS  
Schedule of prepaid and other assets

 Prepaids and other assets consist of the following (in thousands):

 
  December 31,  
 
  2012   2011  

Prepaid maintenance

  $ 6,494   $ 6,995  

Investment in precious metals

    3,055     1,657  

Prepaid other

    2,148     2,592  

Prepaid advertising

    1,200     1,407  
           

Total prepaids and other assets

  $ 12,897   $ 12,651