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9. Concentrations of Risk (Details1) (USD $)	Mar. 31, 2015	Mar. 31, 2014
Accounts Receivable	$ 227,587us-gaap_AccountsReceivableNet	$ 645,192us-gaap_AccountsReceivableNet
Total percentage of receivables	43.66%UAMY_TotalPercentageOfReceivables	74.00%UAMY_TotalPercentageOfReceivables
Kohler Corporation
Accounts Receivable		383,589us-gaap_AccountsReceivableNet / us-gaap_MajorCustomersAxis = UAMY_KohlerCorporationMember
Commerce Industrial Chemical
Accounts Receivable		57,715us-gaap_AccountsReceivableNet / us-gaap_MajorCustomersAxis = UAMY_CommerceIndustrialChemicalMember
Alpha Gary Corporation
Accounts Receivable	36,945us-gaap_AccountsReceivableNet / us-gaap_MajorCustomersAxis = UAMY_AlphaGaryCorporationMember
Scutter Enterprises LLC
Accounts Receivable	26,600us-gaap_AccountsReceivableNet / us-gaap_MajorCustomersAxis = UAMY_ScutterEnterprisesMember
Teck American, Inc.
Accounts Receivable	$ 164,042us-gaap_AccountsReceivableNet / us-gaap_MajorCustomersAxis = UAMY_TeckAmericanIncMember	$ 203,888us-gaap_AccountsReceivableNet / us-gaap_MajorCustomersAxis = UAMY_TeckAmericanIncMember

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

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