3. Revenue Recognition

12 Months Ended

Dec. 31, 2018

Revenue Recognition [Abstract]

Revenue Recognition

Sales of products for the years ended December 31, 2018, and 2017, were as follows:

	Fiscal Year Ended
	December 31,
	2018		2017
Antimony	$	6,113,014	$	7,588,470
Zeolite		2,666,944		2,266,636
Precious metals		254,445		374,872
	$	9,034,403	$	10,229,978

The following is sales information by geographic area based on the location of customers for the years ended December 31, 2018, and 2017.

	Fiscal Year Ended
	December 31,
	2018		2017
United States	$	8,242,141	$	9,510,211
Canada		792,262		719,767
	$	9,034,403	$	10,229,978

Sales of products to significant customers were as follows for the years ended December 31, 2018, and 2017:

Sales to	For the Year Ended
Largest Customers	December 31, 2018			December 31, 2017
Mexichem Specialty Compounds Inc.	$	2,698,770		$	3,335,046
East Penn Manufacturing Inc		-			512,621
Kohler Corporation		1,441,197			1,928,692
Ampacet		538,922			-
	$	4,678,889		$	5,776,359
% of Total Revenues		51.79	%		56.50	%

Accounts receivable from largest customers were as follows for December 31, 2018, and 2017:

Largest
Accounts Receivable	December 31, 2018			December 31, 2017
Nutreco Canada Inc.				$	25,657
DanaMart	$	143,890		$	-
Teck American Inc		-			241,267
Axens North America Inc.		34,912			-
Earth Innovations Inc.		35,967			-
Ralco Mix Products		-			16,000
	$	214,769		$	282,924
% of Total Receivables		49.00	%		78.10	%

The Company’s trade accounts receivable balance related to contracts with customers was $438,391 at December 31, 2018 and $362,579 at December 31, 2017.