XML 72 R47.htm IDEA: XBRL DOCUMENT v3.20.1

6. Properties, Plants and Equipment (Details Narrative) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Abstract]
Assets not yet placed in service	$ 1,306,579	$ 1,270,289

X

- References

No definition available.

+ Details

Name:	UAMY_AssetsNotYetPlacedInService
Namespace Prefix:	UAMY_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration