17. Business Segments (Details 1) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Capital Expenditures	$ 999,119	$ 405,819
United States Antimony [Member]
Capital Expenditures	0	32,961
Mexico Antimony [Member]
Capital Expenditures	803,579	87,396
Subtotal Antimony [Member]
Capital Expenditures	803,579	120,357
Precious Metals [Member]
Capital Expenditures	40,988	185,668
Zeolite (Member)
Capital Expenditures	$ 154,552	$ 99,794