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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Inventories (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Obsolete Inventory [Roll Forward]    
Beginning balance $ 799 $ 616
Provision 55 0
Write Offs (5) (5)
Ending balance $ 849 $ 611