SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
SUPPLEMENTAL CASH FLOW INFORMATION
Accounts payable and accrued liabilities	$ (37,130)
Share-based compensation	26,173
Common shares issued		$ 11,702
Total	$ (10,957)	$ 11,702

Adjustments for (decrease) increase in accounts payable and accrued liabilities in non-cash working capital changes included in E&E assets.

No definition available.

Name:	aust_IfrsIncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Namespace Prefix:	aust_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration