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11. COMMITMENTS AND CONTINGENCIES (Tables)
12 Months Ended
Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
Future Minimum Payment of Operating Lease
Years Ended December 31,  Capital Leases   Operating Leases 
2015  $4,569   $1,145 
2016   900    1,107 
2017   900    956 
2018   568    878 
2019       580 
Thereafter       2,243 
Total minimum payments   6,937   $6,909 
Amount representing interest   (805)     
Obligations under capital leases   6,132      
Obligations due within one year   (4,077)     
Long-term obligations under capital leases  $2,055