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Other income - Summary of other income (Detail) - AUD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
Material income and expense [abstract] |  |  |
Net foreign exchange gain |  | $ 224 |
Payroll tax rebate |  |  | $ 7
Subsidies and grants | $ 9 | 685 | 130
Gain on legal settlement |  | 8,411 |
Reimbursement of expenses | 25 | 8 | 17
Research and development rebate | 1,431 | 2,200 | 8,409
Other sundry income |  | 1,461 |
Other income | $ 1,465 | $ 12,989 | $ 8,563

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