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14. Income Taxes (Details Narrative) (USD $)

Dec. 31, 2014

Operating loss carryforwards

$ 600,000us-gaap_OperatingLossCarryforwards

^[1]

Montana [Member]

Operating loss carryforwards

2,016,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= UAMY_MontanaStateMember

^[2]

Idaho state [Member]

Operating loss carryforwards

1,140,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= UAMY_IdahoStateMember

^[3]

Mexican

Operating loss carryforwards

$ 6,400,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_MexicanTaxAuthorityMember

^[4]

[1]	Expire at various dates between 2029 and 2034
[2]	Expire between 2016 and 2021
[3]	Expire in 2032 and 2034
[4]	Expire between 2021 and 2024

X

- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319

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X

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