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3. Revenue Recognition (Details 2) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Sales to largest customers	$ 4,055,372	$ 4,678,889
Total percentage of revenue	49.05%	51.79%
Mexichem Specialty Compounds Inc.
Sales to largest customers	$ 1,823,194	$ 2,698,770
Nyacol Nanotechnologies
Sales to largest customers	1,099,504	0
Kohler Corporation
Sales to largest customers	1,132,674	1,441,197
Ampacet
Sales to largest customers	$ 0	$ 538,922

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