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9. Concentrations of Risk (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Sales to Three Largest Customers $ 1,572,650 $ 1,022,441 $ 4,437,978 $ 3,461,900
Total percentage of revenue 66.00% 36.00% 57.00% 38.00%
Ampacet        
Sales to Three Largest Customers $ 150,234 $ 0 $ 0 $ 0
Mexichem Speciality Compounds        
Sales to Three Largest Customers 909,965 414,157 2,466,388 1,524,253
Kohler Corporation [Member]        
Sales to Three Largest Customers 512,451 362,770 512,641 972,083
East Penn Manufacturing Inc.        
Sales to Three Largest Customers $ 0 $ 245,514 $ 1,458,949 $ 965,564