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Business and Credit Concentrations (Details)
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Foreign customers outside the U.S. and Canada [Member]        
Schedule of significant portions of the Company's net sales        
Net sales, percentage 39.90% 34.50% 38.50% 31.79%
Customer [Member]        
Schedule of significant portions of the Company's net sales        
Net sales, percentage   11.00%