CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
OPERATING ACTIVITIES:
Net loss	$ (24,365)	$ (56,638)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	1,573	938
Share-based compensation	1,380	814
Amortization of lease incentive	(327)	(345)
Amortization of deferred debt issue costs	1,250	587
Accrued preference share dividends	788
Change in financial liability for share warrants	(15,857)	33,581
Net change in assets and liabilities:
Trade accounts receivable, net	307	161
Inventories	(3,249)	(365)
Accounts payable and accrued liabilities	(2,675)	4,109
Accrued compensation and benefits	(803)	(320)
Other assets	(725)	(731)
Net cash used in operating activities	(42,703)	(18,209)
INVESTING ACTIVITIES:
Purchase of property and equipment	(19,832)	(13,429)
Purchase of intangible assets	(64)	(203)
Net cash used in investing activities	(19,896)	(13,632)
FINANCING ACTIVITIES:
Proceeds from finance leases	55	304
Proceeds from drawdown of new debt, net of costs	14,297
Proceeds from issuance of ordinary shares	34,553	59,329
Net cash generated from financing activities	48,905	59,633
Effect of exchange rate fluctuations on cash and cash equivalents	230	(1,934)
Change in cash and cash equivalents	(13,464)	25,858
Beginning cash and cash equivalents	37,525	7,192
Ending cash and cash equivalents	24,061	33,050
Supplemental cash flow disclosures:
Interest paid	$ 1,463	$ 346