Remuneration of auditors (Tables)

12 Months Ended

Jun. 30, 2018

Auditors Remuneration [Abstract]

Summary of Fees were Paid or Payable for Services Provided by the Auditor of the Parent Entity

During the year the following fees were paid or payable for services provided by the auditor of the parent entity, its related practices and non-related audit firms:

	Year Ended June 30,
(in U.S. dollars)	2018		2017		2016
a. PricewaterhouseCoopers Australia
Audit and other assurance services
Audit and review of financial reports		620,837		729,598		437,373
Other audit services(1)		92,403		42,306		345,965
Total remuneration of PricewaterhouseCoopers Australia		713,240		771,904		783,338
b. Network firms of PricewaterhouseCoopers Australia
Audit and other assurance services
Audit and review of financial reports		93,839		77,723		95,315
Total remuneration of Network firms of    PricewaterhouseCoopers Australia		93,839		77,723		95,315
Total auditors' remuneration(2)		807,079		849,627		878,653

(1) Audit and review of financial reports and registration statements in connection with the United States initial public offering, filing on Form S-8, F-3 and related Australian prospectuses.

(2) All services provided are considered audit services for the purpose of SEC classification.