Business Segments (Details 1) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Capital expenditures	$ 91,829	$ 103,895	$ 115,127	$ 200,166
United States Antimony
Capital expenditures	0	9,327	0	32,448
Mexico Antimony
Capital expenditures	4,872	3,897	9,744	30,662
Subtotal Antimony
Capital expenditures	4,872	13,224	9,744	63,110
Zeolite
Capital expenditures	68,036	8,347	68,036	16,211
Precious Metals
Capital expenditures	$ 18,921	$ 82,324	$ 37,347	$ 120,845