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5. Inventories (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Inventories	$ 716,896	$ 914,709
Antimony Oxide - Finished
Inventories	304,165	408,217
Antimony Metal [Member]
Inventories	0	35,554
Antimony Ore [Member]
Inventories	156,997	187,133
Antimony [Member]
Inventories	461,162	630,904
Zeolite [Member]
Inventories	$ 255,734	$ 283,805

X

- Definition

Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ 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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- Details

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