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Earnings per share - Additional Information (Detail) - AUD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Oct. 31, 2016
Earnings per share [line items] |  |  |
Number of unlisted convertible notes | 1,865,000 |  | 16,000,000
Face value of convertible notes | $ 464 | $ 464 |
Unlisted options [member] |  |  |
Earnings per share [line items] |  |  |
Number of options that have been excluded from the calculations as they were antidilutive | 5,048,266 |  |
Listed options [member] |  |  |
Earnings per share [line items] |  |  |
Number of options that have been excluded from the calculations as they were antidilutive | 3,148,400 |  |

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- Definition The amount of equity interest of an entity without share capital that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 78 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_78_e&doctype=Standard -URIDate 2018-03-16 + Details
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