PROPERTY, PLANT AND EQUIPMENT (Tables)

9 Months Ended

Sep. 30, 2025

PROPERTY, PLANT AND EQUIPMENT

Schedule of major components of property, plant and equipment

September 30, 2025	Antimony		Zeolite		All Other		TOTAL
Plant and equipment	$	13,754,833	$	6,658,125	$	520,926	$	20,933,884
Buildings		1,106,303		1,705,893		456,970		3,269,166
Mineral rights and interests		230,000		16,753		5,669,863		5,916,616
Land		2,083,094		—		929,443		3,012,537
Construction in progress		9,131,631		353,429		—		9,485,060
Total property, plant and equipment		26,305,861		8,734,200		7,577,202		42,617,263
Accumulated depreciation		(10,111,874)		(4,106,653)		(277,398)		(14,495,925)
Property, plant and equipment, net	$	16,193,987	$	4,627,547	$	7,299,804	$	28,121,338

December 31, 2024	Antimony		Zeolite		All Other		TOTAL
Plant and equipment	$	13,512,321	$	6,597,781	$	427,720	$	20,537,822
Buildings		1,106,303		1,705,893		11,970		2,824,166
Mineral rights and interests		—		16,753		125,000		141,753
Land		2,083,094		—		914,443		2,997,537
Construction in progress		—		101,938		—		101,938
Total property, plant and equipment		16,701,718		8,422,365		1,479,133		26,603,216
Accumulated depreciation		(9,602,469)		(3,857,785)		(251,515)		(13,711,769)
Property, plant and equipment, net	$	7,099,249	$	4,564,580	$	1,227,618	$	12,891,447

January Fairbanks Agreement

PROPERTY, PLANT AND EQUIPMENT

Schedule of properties, plants and equipment by location

Payment Date	Payment Amount
January 2025	$	100,000
July 2025		50,000
January 2026		50,000
July 2026		50,000
January 2027		50,000
July 2027		50,000
January 2028		50,000
July 2028		50,000
January 2029		100,000
July 2029		100,000
January 2030		100,000
July 2030		2,250,000
Total	$	3,000,000

March Fairbanks Agreement

PROPERTY, PLANT AND EQUIPMENT

Schedule of properties, plants and equipment by location

Payment Date	Payment Amount
March 2025	$	50,000
September 2025		25,000
March 2026		25,000
March 2027		25,000
March 2028		25,000
March 2029		275,000
Total	$	425,000

June Fairbanks Agreement

PROPERTY, PLANT AND EQUIPMENT

Schedule of properties, plants and equipment by location

Payment Date	Payment Amount
Within 10 days of June 1, 2025	$	150,000
December 2025		100,000
June 2026		100,000
June 2027		100,000
June 2028		100,000
June 2029		1,450,000
Total	$	2,000,000

September Fairbanks Agreement

PROPERTY, PLANT AND EQUIPMENT

Schedule of properties, plants and equipment by location

Payment Date	Payment Amount
September 2025	$	50,000
March 2026		25,000
September 2026		50,000
September 2027		50,000
September 2028		50,000
September 2029		275,000
Total	$	500,000