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16. Business Segments (Details 1) - USD ($) | Dec. 31, 2016 | Dec. 31, 2015
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Total Assets | $ 17,765,998 | $ 18,260,201
United States Antimony [Member] |  |
Total Assets | 2,693,614 | 2,676,263
Mexico Antimony [Member] |  |
Total Assets | 13,027,952 | 13,400,895
Subtotal Antimony [Member] |  |
Total Assets | 15,721,566 | 16,077,158
Zeolite (Member) |  |
Total Assets | $ 2,044,432 | $ 2,183,043

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