Share-based payments - Additional Information (Detail)	12 Months Ended
Jun. 30, 2019 AUD ($) yr	Jun. 30, 2018 AUD ($) yr
Disclosure of terms and conditions of share-based payment arrangement [line items]
Employee remuneration expense \| $	$ 246,387	$ 165,222
Options expired	0
Weighted average remaining contractual life of outstanding share options \| yr	2.36	2.97
Number of options issued to employees	250,000	664,000
Options vesting period	1 year
Options expiry period	5 years
Tranche 9 [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of Options exercisable	50.00%
Percentage of Options vested	50.00%
Tranche 12 [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of Options exercisable	25.00%
Percentage of Options vested	25.00%
Number of options issued to employees		224,000
Tranche 13 [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Percentage of Options exercisable	50.00%
Percentage of Options vested	50.00%
Number of options issued to employees		440,000
Tranche 14 [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of options issued to employees	250,000
Options vesting period	2 years

The description of the maximum term of options granted for a type of share-based payment arrangement that existed at any time during the period. An entity with substantially similar types of share-based payment arrangements may aggregate this information. [Refer: Share-based payment arrangements [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 45
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_a&doctype=Standard
-URIDate 2018-03-16

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- Definition

The description of the vesting requirements for a type of share-based payment arrangement that existed at any time during the period. An entity with substantially similar types of share-based payment arrangements may aggregate this information. [Refer: Share-based payment arrangements [member]]

+ References

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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.

+ References

No definition available.

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- Definition

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 2018-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2018-03-16

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 45
-Subparagraph b
-Clause v
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_v&doctype=Standard
-URIDate 2018-03-16

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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 2018-01-01
-Paragraph 45
-Subparagraph b
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_ii&doctype=Standard
-URIDate 2018-03-16

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- Definition

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 2018-01-01
-Paragraph 45
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_d&doctype=Standard
-URIDate 2018-03-16

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- Definition

Percentage of options exercisable.

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- Definition

Percentage of options vested.

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