Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2021

Revenue Recognition

Disaggregation of revenue

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Antimony	$	1,284,969	$	477,273	$	3,371,015	$	2,509,183
Zeolite		693,008		481,126		1,929,383		1,653,201
Precious metals		73,736		48,832		280,164		173,029
	$	2,051,713	$	1,007,231	$	5,580,562	$	4,335,413

Revenue by geographic area

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
United States	$	1,805,456	$	891,090	$	4,954,412	$	3,893,374
Canada		246,257		116,141		626,150		442,039
	$	2,051,713	$	1,007,231	$	5,580,562	$	4,335,413

Schedule of account receivable from largest customers

Largest
Accounts Receivable	September 30, 2021			December 31, 2020
Company B	$	222,100		$	-
Company F		110,864			-
Company G		54,400			68,055
Company H		-			21,619
Company I		-			16,600
Company J		-			12,255
	$	387,364		$	118,529
% of Total Receivables		53.60	%		49.67	%

Sales of products to significant customers

	For the Three Months Ended						For the Nine Months Ended
Sales to	September 30,			September 30,			September 30,			September 30,
Largest Customers	2021			2020			2021			2020
Company A		288,640			114,075			778,211			404,447
Company B		581,609			105,865			1,284,206			-
Company C		-			-			518,226			523,660
Company D		225,800			-			225,800			-
Company E		-			131,360			-			345,899
	$	1,096,049		$	351,300		$	2,806,443		$	1,274,006
% of Total Revenues		53.42	%		34.88	%		50.29	%		29.39	%