XML 46 R36.htm IDEA: XBRL DOCUMENT

Government Programs - Additional Information (Detail) AUD in Thousands, $ in Thousands	1 Months Ended					3 Months Ended				9 Months Ended
	May 31, 2017 USD ($)	Jul. 31, 2016 USD ($)	Mar. 31, 2016 USD ($)	Mar. 31, 2016 AUD	Sep. 30, 2015 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2017 AUD	Sep. 30, 2016 USD ($)	Sep. 30, 2016 AUD	Sep. 30, 2017 USD ($)	Sep. 30, 2017 AUD	Sep. 30, 2016 USD ($)	Sep. 30, 2016 AUD	Sep. 30, 2017 AUD	Dec. 31, 2016 USD ($)	Dec. 31, 2016 AUD
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Research and development tax incentive receivable						$ 885				$ 885					$ 2,241
SBIR Grant [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Reduction of research and development expenses related to tax						103		$ 66		123		$ 135
Research and development grants	$ 1,300	$ 219			$ 224
Grants receivable						103				103					100
Overseas Findings [Member] \| Australian Taxation Office [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Research and development tax incentive receivable						900				900				AUD 1,100	$ 2,200	AUD 3,100
Deferred tax incentive			$ 182	AUD 237
Research and Development Tax Incentive [Member] \| Australian Taxation Office [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Reduction of research and development expenses related to tax						$ 389	AUD 493	$ 145	AUD 181	$ 900	AUD 1,100	$ 1,200	AUD 1,600