CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Revenue:
Total revenue	$ 8,814	$ 9,089
Cost of revenue	(6,120)	(4,777)
Gross profit	2,694	4,312
Operating expenses:
Sales and marketing	(3,306)	(2,493)
Research and development, net of government grants	(14,146)	(13,531)
General and administrative expense:
Compensation expense in respect of share options and management equity incentives	(1,634)	(1,823)
Other general and administrative expenses	(9,403)	(8,353)
Total general and administrative expense	(11,037)	(10,176)
Total operating expense	(28,489)	(26,200)
Operating loss	(25,795)	(21,888)
Other (expense) income:
Interest expense, net	(8,574)	(3,002)
Other, net	(4,366)	(1,732)
Other expense, net	(12,940)	(4,734)
Loss before income taxes	(38,735)	(26,622)
Provision for income taxes	(133)	(670)
Net loss	(38,868)	(27,292)
Other comprehensive income (loss):
Change in fair value of foreign currency cash flow hedges	0	(112)
Change in unrealized gain on short-term investments	7	(121)
Foreign currency gain	12,330	158
Provision for pension benefit obligation	14	15
Other comprehensive loss, net	12,351	(60)
Comprehensive loss	(26,517)	(27,352)
Net loss available to ordinary shareholders - basic	$ (38,868)	$ (27,292)
Loss per share - basic	$ (0.37)	$ (0.27)
Loss per share - diluted	$ (0.37)	$ (0.27)
Weighted-average shares outstanding - basic	104,591,840	101,390,749
Weighted-average shares outstanding - diluted	104,591,840	101,390,749
Product Sales [Member]
Revenue:
Total revenue	$ 8,814	$ 9,041
Other Revenues [Member]
Revenue:
Total revenue	$ 0	$ 48