XML 21 R30.htm IDEA: XBRL DOCUMENT v2.4.0.6

7. Concentrations of Risk (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Sales to Three Largest Customers	$ 1,971,501	$ 1,869,331
Accounts Receivable	354,556	336,666
Total percentage of revenue	66.50%	61.70%
Total percentage of receivables	55.70%	73.80%
AlphaGaryCorporation [Member]
Sales to Three Largest Customers	1,063,716	694,449
Accounts Receivable	0	194,005
General Electric [Member]
Sales to Three Largest Customers	195,300	0
KohlerCorporation [Member]
Sales to Three Largest Customers	712,485	725,144
Accounts Receivable	228,288	0
PolymerProductsInc [Member]
Sales to Three Largest Customers	0	449,738
AmpacetCorporation [Member]
Accounts Receivable	90,800	0
QuantumRemediation [Member]
Accounts Receivable	0	101,149
ScutterEnterprises [Member]
Accounts Receivable	0	41,512
ZEO Inc [Member]
Accounts Receivable	$ 35,468	$ 0

X

- Definition

Custom Element.

+ References

No definition available.

+ Details

Name:	UAMY_AccountsReceivableNet1
Namespace Prefix:	UAMY_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Custom Element.

+ References

No definition available.

+ Details

Name:	UAMY_TotalPercentageOfReceivables
Namespace Prefix:	UAMY_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 42

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9054-108599



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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 39

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_EntityWideRevenueMajorCustomerAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues.

+ References

No definition available.

+ Details

Name:	us-gaap_EntityWideRevenueMajorCustomerPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration