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COMMITMENTS AND CONTINGENCIES (Tables)
3 Months Ended
Mar. 31, 2013
COMMITMENTS AND CONTINGENCIES [Abstract]  
Future Minimum Rental Payments for Operating Leases
As of March 31, 2013, future minimum lease payments due under operating leases are as follows (in thousands):
 
  
Fiscal years ending December 31,
 
2013 (remaining)
$ 
504
2014
540
2015
407
2016
326
2017
249
Total minimum lease payments
$
2,026