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14. Business Segments (Details 2) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Total revenues $ 2,843,142 $ 3,524,441 $ 9,166,628 $ 9,853,127
Depreciation and amortization 210,275 222,375 652,375 664,775
Income (loss) from operations (347,985) 251,118 (638,367) 220,512
Income tax expense (411,490)   (423,490)  
Other income (expense) (37,582) (387,008) (80,476) (114,136)
NET INCOME (LOSS) (797,057) (135,890) (1,142,333) 106,376
United States Antimony [Member]        
Total revenues 2,025,755 2,741,846 6,621,732 7,695,372
Depreciation and amortization 20,000 14,500 60,400 44,150
Income (loss) from operations 723,627 1,252,016 2,582,390 3,732,820
Income tax expense (411,490)   (423,490)  
Other income (expense) (9,406) (363,269) (23,837) (60,341)
NET INCOME (LOSS) 302,731 888,747 2,135,063 3,672,479
Mexico Antimony [Member]        
Total revenues   3,557 12,248
Depreciation and amortization 136,875 151,875 431,975 452,625
Income (loss) from operations (1,421,013) (1,318,887) (4,028,767) (4,188,719)
Other income (expense) (24,617) (6,895) (49,122) (10,081)
NET INCOME (LOSS) (1,445,630) (1,325,782) (4,077,889) (4,198,800)
Precious Metals [Member]        
Total revenues 240,238 169,087 564,581 365,388
Income (loss) from operations 240,238 169,087 564,581 365,388
Other income (expense)    
NET INCOME (LOSS) 240,238 169,087 564,581 365,388
Zeolite [Member]        
Total revenues 577,149 613,508 1,976,758 1,780,119
Depreciation and amortization 53,400 56,000 160,000 168,000
Income (loss) from operations 109,163 148,902 243,429 311,023
Other income (expense) (3,559) (16,844) (7,517) (43,714)
NET INCOME (LOSS) $ 105,605 $ 132,058 $ 235,912 $ 267,309