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15. Related Party Transactions (Details Narrative) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Related Party Transactions [Abstract]
Audit committee received amount in cash	$ 36,000UAMY_AuditCommitteeReceivedAmountInCash	$ 36,000UAMY_AuditCommitteeReceivedAmountInCash	$ 56,000UAMY_AuditCommitteeReceivedAmountInCash
Consulting fees	$ 82,505UAMY_ConsultingFees	$ 81,642UAMY_ConsultingFees	$ 89,204UAMY_ConsultingFees

X

- Definition

Custom Element.

+ References

No definition available.

+ Details

Name:	UAMY_AuditCommitteeReceivedAmountInCash
Namespace Prefix:	UAMY_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Custom Element.

+ References

No definition available.

+ Details

Name:	UAMY_ConsultingFees
Namespace Prefix:	UAMY_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_RelatedPartyTransactionsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration