RENTAL EXPENSE, COMMITMENTS AND CONTINGENCIES (Tables)
 12 Months Ended
Dec. 31, 2013
RENTAL EXPENSE, COMMITMENTS AND CONTINGENCIES  
Schedule of minimum amounts under purchase commitments, long term leases covering office space, exploration expenditures, option payments on properties

 


 2014 2015 2016 2017 2018

(in thousands)

Lease Obligations

 $ 3,534 $ 3,563 $ 3,648 $ 4,097 $ 4,409

Purchase Commitments

 3,071 306 — — —
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Total

 $ 6,605 $ 3,869 $ 3,648 $ 4,097 $ 4,409
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