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Financial instruments - Summary of remaining contractual maturities of financial instrument liabilities (Detail) - AUD ($) $ in Thousands | Jun. 30, 2020 | Jun. 30, 2019
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Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Trade payables | $ 1,694 | $ 1,049
Accrued payables | 1,795 | 714
Contingent consideration | 6,843 | 6,588
Total non-derivatives | $ 10,332 | $ 8,351
Trade payables [member] |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Weighted average interest rate | 8212.00% | 8212.00%
Accrued payables [member] |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Weighted average interest rate | 8212.00% | 8212.00%
Contingent consideration [member] |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Weighted average interest rate | 8212.00% | 8212.00%
1 year or less [member] |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Trade payables | $ 1,694 | $ 1,049
Accrued payables | 1,795 | 714
Contingent consideration | 4,199 |
Total non-derivatives | 7,688 | 1,763
Between 2 and 5 years [member] |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Contingent consideration | 2,644 | 5,194
Total non-derivatives | $ 2,644 | 5,194
Over 5 years [member] |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Contingent consideration |  | 1,394
Total non-derivatives |  | $ 1,394

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