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Concentration of Credit Risk (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Net Sales $ 14,880,820 $ 14,569,309 $ 43,476,981 $ 42,648,515
Customer A [Member] | Sales Revenue, Net [Member]        
Net Sales $ 3,256,000 $ 3,369,000 $ 11,660,000 $ 11,299,000
Percentage of Net Sales 21.90% 23.10% 26.80% 26.50%
Customer B [Member] | Sales Revenue, Net [Member]        
Net Sales $ 2,282,000 $ 2,420,000 $ 6,091,000 $ 5,583,000
Percentage of Net Sales 15.30% 16.60% 14.00% 13.10%