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17. Business Segments (Details 3) - USD ($) | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014
Revenues | $ 13,109,003 | $ 10,772,192
Depreciation and amortization | 932,786 | 780,782
Income (loss) from operations | (808,997) | (1,588,339)
Other income (expense): | (29,534) | (7,116)
Income (loss) before income taxes | (838,531) | (1,595,455)
NET INCOME (LOSS) | (838,531) | (1,595,455)
Antimony [Member] |  |
Revenues | 10,347,824 | 8,580,035
Depreciation and amortization | 61,819 | 63,787
Income (loss) from operations | 4,990,865 | 1,971,677
Mexico Antimony [Member] |  |
Revenues | 7,535 | 22,538
Depreciation and amortization | 649,526 | 495,765
Income (loss) from operations | (6,311,265) | (3,864,950)
Zeloite (Member) |  |
Revenues | 2,753,644 | 2,169,619
Depreciation and amortization | 221,441 | 221,230
Income (loss) from operations | $ 511,403 | $ 304,934

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