Related Party Transactions (Details Narrative) - USD ($)	Jul. 31, 2017	Apr. 30, 2017
Related Party Transactions [Abstract]
Accounts payable to related party	$ 2,431	$ 2,431

Accounts payable and accrued liabilities - related party.

No definition available.

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