Related Party Transactions (Details)	4 Months Ended
Sep. 30, 2025 USD ($)
Related Party Transactions [Abstract]
Incurred consulting services	$ 54,798

Represent the amount of incurred consulting services.

No definition available.

Name:	aumn_IncurredConsultingServices
Namespace Prefix:	aumn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration