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SHORT-TERM INVESTMENTS (Details) - USD ($)	Jun. 30, 2026	Dec. 31, 2025
SHORT-TERM INVESTMENTS
Redeemable short - term investment certificates ("RSTICs")	$ 1,519,653	$ 656,567
Term deposits		1,914,901
Total	$ 1,519,653	$ 2,571,468

X

- References

No definition available.

+ Details

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- Definition

The amount of redeemable short-term investment certificates ("RSTICs") classified as current.

+ References

No definition available.

+ Details

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Namespace Prefix:	aust_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

The amount of current investments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
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X

- Definition

The amount of short-term deposits held by the entity that are not classified as cash equivalents. [Refer: Cash equivalents]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard
-URIDate 2025-03-27

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