CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Revenue:
Product sales	$ 5,717	$ 4,850
Total revenue	5,717	4,850
Cost of revenue	(3,091)	(2,751)
Gross profit	2,626	2,099
Operating expenses:
Sales and marketing	(1,257)	(658)
Research and development, net of government grants	(11,801)	(6,810)
General and administrative expense:
Compensation expense in respect of share options and management equity incentives	(898)	(337)
Other general and administrative expenses	(5,048)	(4,787)
Total general and administrative expense	(5,946)	(5,124)
Total operating expense	(19,004)	(12,592)
Operating loss	(16,378)	(10,493)
Other income (expense):
Interest expense, net	(1,171)	(797)
Change in financial liability for share warrants		1,771
Other, net	1,314	(635)
Other income, net	143	339
Loss before income taxes	(16,235)	(10,154)
Net loss	(16,235)	(10,154)
Other comprehensive income (loss):
Change in fair value of effective portion of foreign currency cash flow hedges	(263)	226
Foreign currency gain (loss)	(3,308)	2,755
Provision for pension benefit obligation	41	(1,747)
Other comprehensive income (loss), net	(3,530)	1,234
Comprehensive loss	(19,765)	(8,920)
Net loss available to ordinary shareholders - basic and diluted	$ (16,235)	$ (10,154)
Loss per share - basic and diluted	$ (0.64)	$ (0.60)
Weighted-average shares outstanding - basic and diluted	25,410,598	17,025,631