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16. Business Segments (Details 1) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Capital expenditures	$ 243,091	$ 792,925
United States Antimony
Capital expenditures	32,448	8,429
Mexico Antimony
Capital expenditures	38,456	705,123
Subtotal Antimony
Capital expenditures	70,904	713,552
United States Precious metals
Capital expenditures	10,219	21,086
Mexico Precious metals
Capital expenditures	147,978	0
Precious Metals
Capital expenditures	158,197	21,086
Zeolite
Capital expenditures	$ 13,990	$ 58,287

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