Cash flow information (Tables)

12 Months Ended

Jun. 30, 2018

Statement Of Cash Flows [Abstract]

Summary of Cash Flow Information

(in U.S. dollars, in thousands)	As of June 30,
(a) Reconciliation of cash and cash equivalents	2018		2017		2016
Cash at bank		37,221		7,722		21,860
Deposits at call		542		38,039		59,077
		37,763		45,761		80,937

(in U.S. dollars, in thousands)	Year Ended June 30,
(b) Reconciliation of net cash flows used in operations          with loss after income tax	2018			2017			2016
Loss for the period		(35,290	)		(76,815	)		(4,127	)
Add/(deduct) net loss for non-cash items as follows:
Depreciation and amortization		2,650			3,057			2,192
Foreign exchange (gains)/losses		(160	)		38			1,090
Finance costs		725			—			—
Remeasurement of contingent consideration		(10,541	)		130			(28,112	)
Payment under a license agreement paid in shares		1,000			—			—
Equity settled share-based payment		6,199			5,276			3,389
Deferred tax benefit		(30,664	)		(13,400	)		(86,694	)
Impairment of intangible assets		—			—			61,919
Commercialization revenue		—			—			(37,509	)
Change in operating assets and liabilities:
(Increase)/decrease in trade and other receivables		(6,093	)		(859	)		(531	)
Decrease/(increase) in prepayments		1,503			(10,201	)		495
(Increase)/decrease in tax assets		(1,807	)		1,282			626
(Decrease)/increase in trade creditors and accruals		(4,464	)		(5,740	)		2,425
(Decrease)/increase in provisions		1,930			1,761			(3,159	)
Net cash outflows used in operations		(75,012	)		(95,471	)		(87,996	)