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3. Revenue Recognition

12 Months Ended

Dec. 31, 2019

Revenue Recognition [Abstract]

Revenue Recognition

Sales of products for the years ended December 31, 2019 and 2018 were as follows:

		Year Ended
		December 31,
		2019				2018
Antimony		$	5,450,649			$	6,113,014
Zeolite			2,623,117				2,666,944
Precious metals			194,239				254,445
		$	8,268,005			$	9,034,403

The following is sales information by geographic area based on the location of customers for the years ended December 31, 2019 and 2018.

		Year Ended
		December 31,
		2019				2018
United States		$	7,454,163			$	8,242,141
Canada			813,842				792,262
		$	8,268,005			$	9,034,403

Sales of products to significant customers were as follows for the years ended December 31, 2019 and 2018:

Sales to		For the Year Ended
Largest Customers		December 31, 2019				December 31, 2018
Mexichem Specialty Compounds Inc.		$	1,823,194			$	2,698,770
Nyacol Nanotechnologies			1,099,504				-
Kohler Corporation			1,132,674				1,441,197
Ampacet			-				538,922
		$	4,055,372			$	4,678,889
% of Total Revenues			49.05	%			51.79	%

Accounts receivable from largest customers were as follows for December 31, 2019 and 2018:

Largest
Accounts Receivable		December 31, 2019				December 31, 2018
Nutreco Canada Inc.		$	21,219
DanaMart			-			$	143,890
Lake Shore Gold			27,854				-
Axens North America Inc.			-				34,912
Earth Innovations Inc.			-				35,967
Commerce Industrial Chemical			54,684				-
		$	103,757			$	214,769
% of Total Receivables			36.48	%			49.00	%

The Company’s trade accounts receivable balance related to contracts with customers was $284,453 at December 31, 2019 and $438,391 at December 31, 2018.