Acquisition and Disposition - Schedule of Assets Acquired and Liabilities Assumed (Details) (Parenthetical)	Jan. 31, 2018 USD ($)
Business Combinations [Abstract]
Cash	$ 255,555
Note payable - credit line	$ 1,096,504

Business combination recognized identifiable assets acquired and liabilities assumed note payable credit line.

No definition available.

Name:	USAU_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNotePayableCreditLine
Namespace Prefix:	USAU_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant