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Share-Based Payments - Additional Information (Detail)	12 Months Ended
	Jun. 30, 2023 shares $ / shares	Jun. 30, 2022 shares $ / shares	Jun. 30, 2022 shares $ / shares	Jun. 30, 2021 shares $ / shares	Jun. 30, 2016
Disclosure of other equity instruments [line items]
Options granted	0	0	0
Performance Rights Issued to Non Executive Directors [member] | Share consolidation adjustment [member]
Disclosure of other equity instruments [line items]
Weighted average share price on the exercising date	$ 0.28	$ 0.523		$ 0.276
Equity incentive plan [member]
Disclosure of other equity instruments [line items]
Options granted | shares	0	0	0	0
Weighted average remaining contractual life of performance rights outstanding	3 years 6 months
Equity incentive plan [member] | Short term incentives and long term incentives performance rights [member]
Disclosure of other equity instruments [line items]
Weighted average share price on the exercising date	$ 0.24	$ 0.535		$ 0.235
Dr Russell Howard [member]
Disclosure of other equity instruments [line items]
Weighted average remaining contractual life of performance rights outstanding					2 years 1 month 6 days
Russell Howard [Member]
Disclosure of other equity instruments [line items]
Share approved for issuance | shares		1,624,499	1,624,499
Weighted average remaining contractual life of performance rights outstanding		3 years 6 months 7 days	3 years 6 months 7 days
Exercise price			$ 0

X

- Definition

The number of share options granted in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2023-01-01
-Paragraph 45
-Subparagraph b
-Clause ii
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-URIDate 2023-03-23

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- Definition

The weighted average share price at the date of exercise for share options that are exercised in a share-based payment arrangement. [Refer: Share-based payment arrangements [member]; Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2023-01-01
-Paragraph 45
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_c&doctype=Standard
-URIDate 2023-03-23

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2023-01-01
-Paragraph 45
-Subparagraph c
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-URIDate 2023-03-23

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