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Concentration of Credit Risk (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Net Sales $ 13,620,833 $ 13,158,876 $ 28,596,161 $ 28,079,207
Customer A [Member] | Sales Revenue, Net [Member]        
Net Sales $ 4,041,000 $ 3,703,000 $ 8,404,000 $ 7,930,000
Percentage of Net Sales 29.70% 28.10% 29.40% 28.20%
Customer B [Member] | Sales Revenue, Net [Member]        
Net Sales $ 1,848,000 $ 1,379,000 $ 3,698,000 $ 3,163,000
Percentage of Net Sales 13.60% 10.50% 12.90% 11.30%