14. Business Segments (Details 1) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Capital Expenditure	$ 237,183	$ 128,221	$ 411,571	$ 279,465
United States Antimony [Member]
Capital Expenditure	0	22,241	0	22,241
Mexico Antimony [Member]
Capital Expenditure	223,390	45,326	334,367	121,042
Subtotal Antimony [Member]
Capital Expenditure	223,390	67,567	334,367	143,283
Precious Metals [Member]
Capital Expenditure	0	24,798	40,988	84,379
Zeolite [Member]
Capital Expenditure	$ 13,793	$ 35,856	$ 36,216	$ 51,803