XML 53 R33.htm IDEA: XBRL DOCUMENT
v3.21.1

9. Notes Payable to Bank (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Debt Disclosure [Abstract] |
Summary of Notes Payable to Bank |
|  | 2020 |  |  | 2019 |
Promissory note payable to First Security Bank of Missoula, |  |  |  |  |  |
bearing interest at 3.150%, payable on demand, collateralized |  |  |  |  |  |
by a lien on Certificate of Deposit |  | $ | 99,999 |  |  | $ | 97,067 |
Promissory note payable to First Security Bank of Missoula, |  |  |  |  |  |  |  |
bearing interest at 3.150%, payable on demand, collateralized |  |  |  |  |  |  |  |
by a lien on Certificate of Deposit |  |  | 1 |  |  |  | 99,999 |
Total notes payable to the bank |  | $ | 100,000 |  |  | $ | 197,066 |

X
- References No definition available. + Details
Name: | UAMY_SummaryOfNotesPayableToBankTableTextBlock
Namespace Prefix: | UAMY_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration