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4. Revenue Recognition (Details 1) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Sales to three largest customers	$ 816,883	$ 1,201,340	$ 3,180,551	$ 3,580,831
Total percentage of revenue	46.00%	57.00%	49.00%	53.00%
Accounts receivable of three largest customers	$ 108,318		$ 108,318		$ 214,769
Total percentage of accounts receivable			34.00%		49.00%
Axens North America
Sales to three largest customers	128,805	$ 0	$ 0	$ 0
Accounts receivable of three largest customers	46,654		46,654		$ 34,912
Ampacet Corporation
Sales to three largest customers	0	142,414	0	472,674
Mexichem Speciality Compounds
Sales to three largest customers	314,008	587,568	1,373,533	1,985,249
Kohler Corporation
Sales to three largest customers	0	471,358	1,028,624	1,122,908
Nyacol Nanotechnologies
Sales to three largest customers	374,070	$ 0	778,394	$ 0
DanaMart
Accounts receivable of three largest customers	0		0		143,890
Earth Innovations
Accounts receivable of three largest customers	35,584		35,584		$ 35,967
Ralco Mix Products
Accounts receivable of three largest customers	$ 26,080		$ 26,080

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