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14. Business Segments (Details 1) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Capital expenditure	$ 204,260	$ 237,183	$ 677,837	$ 411,571
United States Antimony
Capital expenditure	0	0	2,713	0
Mexico Antimony
Capital expenditure	190,861	223,390	607,564	334,367
Subtotal Antimony
Capital expenditure	190,861	223,390	610,277	334,367
Precious Metals
Capital expenditure	4,095	0	17,247	40,988
Zeolite
Capital expenditure	$ 9,304	$ 13,793	$ 50,313	$ 36,216

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