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Financial instruments - Summary of remaining contractual maturities of financial instrument liabilities (Detail) - AUD ($) $ in Thousands | Jun. 30, 2019 | Jun. 30, 2018
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Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Trade payables | $ 1,049 | $ 1,407
Accrued payables | 714 | 576
Contingent consideration | 6,588 | 10,294
Total non-derivatives | $ 8,351 | $ 12,227
Trade payables [member] |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Weighted average interest rate | 0.00% | 0.00%
Accrued payables [member] |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Weighted average interest rate | 0.00% | 0.00%
Contingent consideration [member] |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Weighted average interest rate | 0.00% | 0.00%
1 year or less [member] |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Trade payables | $ 1,049 | $ 1,407
Accrued payables | 714 | 576
Contingent consideration |  | 4,250
Total non-derivatives | 1,763 | 6,233
Between 2 and 5 years [member] |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Contingent consideration | 5,194 | 4,650
Total non-derivatives | 5,194 | 4,650
Over 5 years [member] |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Contingent consideration | 1,394 | 1,394
Total non-derivatives | $ 1,394 | $ 1,394

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