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Business and Credit Concentrations (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Foreign customers outside the U.S. and Canada [Member]        
Schedule of significant portions of the Company's net sales        
Net sales, percentage 36.20% 38.00% 37.70% 34.00%