CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Revenue:
Product sales	$ 18,022	$ 17,658	$ 16,987
Other revenues	500	750	2,768
Total revenue	18,522	18,408	19,755
Cost of revenue	(9,658)	(9,763)	(8,406)
Gross profit	8,864	8,645	11,349
Operating expenses:
Sales and marketing	(3,073)	(2,750)	(2,705)
Research and development, net of government grants	(28,781)	(19,216)	(8,066)
General and administrative expense:
Compensation expense in respect of share options and management equity incentives	(2,004)	(1,138)	(933)
Other general and administrative expenses	(24,094)	(15,255)	(8,537)
Total general and administrative expense	(26,098)	(16,393)	(9,470)
Total operating expense	(57,952)	(38,359)	(20,241)
Operating loss	(49,088)	(29,714)	(8,892)
Other income (expense)
Interest expense, net	(4,151)	(2,315)	(1,076)
Change in financial liability for share warrants	15,857	(22,966)
Other, net	3,504	(4,064)	(197)
Other income (expense), net	15,210	(29,345)	(1,273)
Loss before income taxes	(33,878)	(59,059)	(10,165)
Net loss	(33,878)	(59,059)	(10,165)
Other comprehensive income (loss):
Change in fair value of effective portion of foreign currency cash flow hedges	9	(293)	94
Foreign currency gain (loss)	(3,028)	(5,114)	397
Provision for pension benefit obligation	(4,502)
Other comprehensive income (loss)	(7,521)	(5,407)	491
Comprehensive loss	(41,399)	(64,466)	(9,674)
Net loss available to ordinary shareholders - basic and diluted	$ (33,878)	$ (59,059)	$ (10,165)
Loss per share - basic and diluted	$ (1.73)	$ (4.00)	$ (54.41)
Weighted-average shares outstanding - basic and diluted	19,558,152	14,773,386	186,817