XML 25 R43.htm IDEA: XBRL DOCUMENT v2.4.1.9

13. Business Segments (Details 1) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Capital Expenditure	$ 538,470UAMY_CapitalExpenditure	$ 315,187UAMY_CapitalExpenditure
United States Antimony [Member]
Capital Expenditure		58,541UAMY_CapitalExpenditure / us-gaap_StatementBusinessSegmentsAxis = UAMY_UnitedStatesAntimonyMember
Mexico Antimony [Member]
Capital Expenditure	527,185UAMY_CapitalExpenditure / us-gaap_StatementBusinessSegmentsAxis = UAMY_MexicoAntimonyMember	227,589UAMY_CapitalExpenditure / us-gaap_StatementBusinessSegmentsAxis = UAMY_MexicoAntimonyMember
Subtotal Antimony [Member]
Capital Expenditure	527,185UAMY_CapitalExpenditure / us-gaap_StatementBusinessSegmentsAxis = UAMY_SubtotalAntimonyMember	286,130UAMY_CapitalExpenditure / us-gaap_StatementBusinessSegmentsAxis = UAMY_SubtotalAntimonyMember
Zeolite [Member]
Capital Expenditure	$ 11,285UAMY_CapitalExpenditure / us-gaap_StatementBusinessSegmentsAxis = UAMY_ZeoliteMember	$ 29,057UAMY_CapitalExpenditure / us-gaap_StatementBusinessSegmentsAxis = UAMY_ZeoliteMember

X

- Definition

Custom Element.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=UAMY_MexicoAntimonyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=UAMY_SubtotalAntimonyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=UAMY_UnitedStatesAntimonyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=UAMY_ZeoliteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: