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Concentration of Credit Risk (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net Sales $ 12,811,697 $ 14,150,504 $ 28,171,335 $ 29,355,498
Customer A [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net Sales $ 3,867,000 $ 3,607,000 $ 8,294,000 $ 8,772,000
Percentage of Net Sales 30.20% 25.50% 29.40% 29.90%
Customer B [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net Sales $ 1,565,000 $ 2,460,000 $ 4,174,000 $ 4,800,000
Percentage of Net Sales 12.20% 17.40% 14.80% 16.40%