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Fair value measurement - Summary of assets and liabilities, measured or disclosed at fair value (Detail) - AUD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Disclosure of fair value measurement of assets [line items]
Total assets	$ 21,177	$ 28,175
Contingent consideration	1,371	1,037
Total liabilities	6,982	8,933
At fair value [member]
Disclosure of fair value measurement of assets [line items]
Contingent Consideration	143
Total assets	168	4,336
Contingent consideration	1,370	2,558
Total liabilities	1,370	2,558
At fair value [member] | Listed ordinary shares [member]
Disclosure of fair value measurement of assets [line items]
Assets	25	3,680
At fair value [member] | Unlisted options [member]
Disclosure of fair value measurement of assets [line items]
Assets		656
At fair value [member] | Level 1 [member]
Disclosure of fair value measurement of assets [line items]
Total assets	25	3,680
At fair value [member] | Level 1 [member] | Listed ordinary shares [member]
Disclosure of fair value measurement of assets [line items]
Assets	25	3,680
At fair value [member] | Level 3 [member]
Disclosure of fair value measurement of assets [line items]
Contingent Consideration	143
Total assets	143	656
Contingent consideration	1,370	2,558
Total liabilities	$ 1,370	2,558
At fair value [member] | Level 3 [member] | Unlisted options [member]
Disclosure of fair value measurement of assets [line items]
Assets		$ 656

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- Definition

The amount of resources: (a) controlled by the entity as a result of past events; and (b) from which future economic benefits are expected to flow to the entity.

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The amount of present obligations of the entity arising from past events, the settlement of which is expected to result in an outflow from the entity of resources embodying economic benefits.

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