XML 27 R55.htm IDEA: XBRL DOCUMENT
v2.4.0.6

13. Business Segments (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Capital Expenditure | $ 5,002,392 | $ 2,473,750 | $ 994,731
United States Antimony [Member] |  |  |
Capital Expenditure | 288,364 | 160,536 | 31,300
Mexico Antimony [Member] |  |  |
Capital Expenditure | 4,385,983 | 1,988,345 | 927,131
Subtotal Antimony [Member] |  |  |
Capital Expenditure | 4,674,347 | 2,148,881 | 958,431
Zeolite [Member] |  |  |
Capital Expenditure | $ 328,045 | $ 324,869 | $ 36,300

X
- Definition Capital Expenditure + References No definition available. + Details
Name: | UAMY_CapitalExpenditure
Namespace Prefix: | UAMY_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration