Properties, Plants and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Properties, Plants and Equipment

Properties, Plants and Equipment

	Antimony Segment						Zeolite Segment			Precious Metals
2021	USAC			USAMSA			BRZ			Segment			TOTAL
Plant and equipment	$	837,830		$	8,757,775		$	4,107,641		$	1,330,394		$	15,033,640
Buildings		247,210			613,449			729,930			-			1,590,589
Mineral rights and interests		-			848,012			3,664			-			851,676
Land and other		3,274,572			2,478,044			15,310			-			5,767,926
		4,359,612			12,697,280			4,856,545			1,330,394			23,243,831
Accumulated depreciation		(2,732,809	)		(5,622,555	)		(3,314,658	)		(440,076	)		(12,110,098	)
	$	1,626,803		$	7,074,725		$	1,541,887		$	890,318		$	11,133,733
	Antimony Segment						Zeolite Segment				Precious Metals
2020	USAC			USAMSA			BRZ			Segment			TOTAL
Plant and equipment	$	815,737		$	8,757,775		$	3,743,051		$	1,266,697		$	14,583,260
Buildings		247,210			613,449			410,780			-			1,271,439
Mineral rights and interests		-			828,523			3,664			-			832,187
Land and other		3,274,572			2,478,044			15,310			-			5,767,926
		4,337,519			12,677,791			4,172,805			1,266,697			22,454,812
Accumulated depreciation		(2,699,781	)		(5,042,381	)		(3,154,244	)		(332,812	)		(11,229,218	)
	$	1,637,738		$	7,635,410		$	1,018,561		$	933,885		$	11,225,594

	2021		2020
United States	$	3,276,155	$	2,787,181
Mexico		7,857,578		8,438,413
Total	$	11,133,733	$	11,225,594