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COMMITMENTS AND CONTINGENCIES (Details) (OCS [Member], USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2014
OCS [Member]
 
Long-term Purchase Commitment [Line Items]  
Royalty rates 3.50%
Percent of grants received paid in royalties 100.00%
Proceeds from grants received $ 36,685
Accumulated interest, grants 12,010
Accumulated royalties paid 10,569
Total commitment with respect to royalty-bearing participation received, net of royalties paid $ 38,126