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Share-based payments - Additional Information (Detail)	12 Months Ended
	Jun. 30, 2021 shares	Jun. 30, 2021 AUD ($) shares	Jun. 30, 2021 shares	Jun. 30, 2021 shares	Jun. 30, 2020 shares
Disclosure of terms and conditions of share-based payment arrangement [line items]
Employee remuneration expense | $		$ 636,383
Weighted average remaining contractual life of outstanding share options	2 years 7 months 6 days				2 years 9 months 10 days
Number of options issued to employees			2,200,000	2,200,000	250,000
Tranche 9 [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of Options vested				1,000,000
Number of options issued	1,200,000	1,200,000	1,200,000	1,200,000
Other Tranche One [Member] | Bottom of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of Options vested					9
Other Tranche One [Member] | Top of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of Options vested					75.00%
Other Tranche Two [Member] | Bottom of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of Options vested					12
Other Tranche Two [Member] | Top of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of Options vested					50.00%
Other Tranche Three [Member] | Bottom of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of Options vested					14
Other Tranche Three [Member] | Top of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of Options vested					50.00%
Other Tranche Four [Member] | Bottom of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of Options vested					15
Other Tranche Four [Member] | Top of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of Options vested					67.00%
Tranches 2 and 8 [Member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of Options vested			53.00%
Tranches 10 and 12 [Member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of Options vested			25.00%

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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The amount of expense from share-based payment transactions with employees.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard
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- 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 2020-01-01
-Paragraph 45
-Subparagraph b
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_ii&doctype=Standard
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The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2020-01-01
-Paragraph 45
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_d&doctype=Standard
-URIDate 2020-01-01

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