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2. Concentrations of Risk (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015
Sales to Three Largest Customers | $ 4,731,706 | $ 6,115,750
Total percentage of revenue | 39.80% | 46.70%
Mexichem Specialty Compounds Inc. |  |
Sales to Three Largest Customers | $ 2,108,998 | $ 3,142,586
East Penn Manufacturing Inc |  |
Sales to Three Largest Customers | 1,147,854 | 1,236,250
KohlerCorporation [Member] |  |
Sales to Three Largest Customers | $ 1,474,854 | $ 1,736,914

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