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2. Concentrations of Risk (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Sales to Three Largest Customers | $ 5,776,629 | $ 4,731,706
Total percentage of revenue | 56.50% | 39.80%
Mexichem Specialty Compounds Inc. |  |
Sales to Three Largest Customers | $ 3,335,046 | $ 2,108,998
East Penn Manufacturing Inc |  |
Sales to Three Largest Customers | 512,621 | 1,147,854
KohlerCorporation [Member] |  |
Sales to Three Largest Customers | $ 1,928,962 | $ 1,474,854

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