Current assets - trade and other receivables - Additional Information (Detail)	12 Months Ended
Jun. 30, 2018 AUD ($)	Jun. 30, 2017 AUD ($)	Jun. 30, 2018 EUR (€)	Jun. 30, 2017 EUR (€)
Trade and other receivables [abstract]
Guarantee included in deposits held	$ 394,073	$ 371,471	€ 250,000	€ 250,000
Recognised a loss in profit or loss in respect of impairment of receivables (excluding 'deposits held')

The amount of impairment loss recognised in profit or loss for trade receivables. [Refer: Impairment loss recognised in profit or loss; Trade receivables]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2017-03-09

Name:	ifrs-full_ImpairmentLossRecognisedInProfitOrLossTradeReceivables
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration