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Concentration of Credit Risk (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net Sales $ 13,225,954 $ 13,476,157 $ 41,397,288 $ 42,831,655
Customer A [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net Sales $ 3,195,000 $ 3,088,000 $ 11,489,000 $ 11,859,000
Percentage of Net Sales 24.20% 22.90% 27.80% 27.70%
Customer B [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net Sales $ 2,283,000 $ 3,070,000 $ 6,457,000 $ 7,870,000
Percentage of Net Sales 17.30% 22.80% 15.60% 18.40%