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7. Asset Retirement Obligation (Details Narrative) - USD ($) | Dec. 31, 2015 | Dec. 31, 2014
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Asset Retirement Obligation Details Narrative |  |
Asset retirement obligation liability with reclamation obligations | $ 260,327 | $ 255,190

X
- References No definition available. + Details
Name: | UAMY_AssetRetirementObligationDetailsNarrativeAbstract
Namespace Prefix: | UAMY_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Custom Element. + References No definition available. + Details
Name: | UAMY_AssetRetirementObligationLiabilities
Namespace Prefix: | UAMY_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant