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BUSINESS SEGMENTS (Details 2) (Sales, Credit concentration, United States)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Sales | Credit concentration | United States
       
Concentration of risk        
Percentage of sales made to customers in the United States 99.00% 99.00% 99.00% 99.00%