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16. Business Segments (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Total Assets	$ 17,131,254	$ 17,765,998
United States Antimony [Member]
Total Assets	2,510,323	2,514,306
Mexico Antimony [Member]
Total Assets	12,073,219	12,682,908
Subtotal Antimony [Member]
Total Assets	14,583,542	15,197,214
Precious Metals [Member]
Total Assets	642,774	524,352
Zeolite (Member)
Total Assets	$ 1,904,938	$ 2,044,432

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(11))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Balance Type:	debit
Period Type:	instant

X

- Details

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- Details

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- Details

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- Details

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- Details

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