13. Business Segments (Details 1) - USD ($)	Sep. 30, 2017	Dec. 31, 2016
Properties, plants and equipment, net	$ 15,338,206	$ 15,695,966
Total Assets	17,539,162	17,765,998
United States Antimony [Member]
Properties, plants and equipment, net	1,697,360	1,694,331
Total Assets	2,543,350	2,495,842
Mexico Antimony [Member]
Properties, plants and equipment, net	11,677,840	11,984,467
Total Assets	12,338,179	12,681,109
Subtotal Antimony [Member]
Properties, plants and equipment, net	13,375,200	13,678,798
Total Assets	14,881,529	15,176,951
Precious Metals [Member]
Properties, plants and equipment, net	588,650	544,615
Total Assets	588,650	544,615
Zeolite [Member]
Properties, plants and equipment, net	1,374,356	1,472,553
Total Assets	$ 2,020,575	$ 2,044,432