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Business and Credit Concentrations (Details)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Canadian Customer [Member]      
Schedule of significant portions of the Company's net sales      
Net sales, percentage 17.00%    
Net sales to foreign customers outside the U.S. and Canada      
Schedule of significant portions of the Company's net sales      
Net sales, percentage 37.00% 33.00% 37.00%
Net sales to SANG      
Schedule of significant portions of the Company's net sales      
Net sales, percentage     12.00%