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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Inventories) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Obsolete Inventory [Roll Forward]        
Beginning balance $ 601 $ 849 $ 628 $ 799
Additions 328 0 328 55
Deductions (8) (6) (35) (11)
Ending balance $ 921 $ 843 $ 921 $ 843