XML 75 R50.htm IDEA: XBRL DOCUMENT
v3.8.0.1

13. Income Taxes (Details Narrative) | Dec. 31, 2017 USD ($)
--- | ---
Operating loss carryforwards | $ 800,000
Montana [Member] |
Operating loss carryforwards | 3,500,000
Idaho state [Member] |
Operating loss carryforwards | 1,500,000
Mexican |
Operating loss carryforwards | $ 5,100,000

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
Name: | us-gaap_OperatingLossCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=UAMY_MontanaStateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=UAMY_IdahoStateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_MexicanTaxAuthorityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |