CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
OPERATING ACTIVITIES:
Net loss	$ (125,130)	$ (111,032)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation, amortization and loss on disposal of fixed assets	7,417	8,354
Share-based compensation	6,156	4,984
Increase in deferred lease rentals	659	726
Swiss pension obligation	669	1,054
Amortization of deferred debt issue costs and discount	11,020	12,965
Impairment of investments	970	2,285
Change in fair value of derivative instruments	(19,395)	0
Accrued preference share dividends	1,050	1,050
Income taxes	961	1,254
Net change in assets and liabilities:
Trade accounts receivable, net	(1,143)	568
Inventories	(165)	(475)
Accounts payable and accrued liabilities	3,418	(3,410)
Accrued compensation and benefits	(3,735)	4,549
Other assets	(1,796)	(454)
Net cash used in operating activities	(119,044)	(77,582)
INVESTING ACTIVITIES:
Increase in short-term investments	(4,500)	(87,247)
Realization of short-term investments	51,425	134,936
Purchase of property and equipment	(2,851)	(4,240)
Purchase of intangible assets	0	0
Net cash from (used in) investing activities	44,074	43,449
FINANCING ACTIVITIES:
Repayment of finance leases	(713)	(633)
Proceeds from issuance of long-term debt	104,222	0
Debt issuance costs	(3,732)	0
Repayment of long-term debt	(12,083)	0
(Cost of) proceeds from issuance of ordinary shares and warrants	(76)	80,881
Net cash generated from financing activities	87,618	80,248
Effect of exchange rate fluctuations on cash and cash equivalents	6,458	(4,358)
Change in cash and cash equivalents	19,106	41,757
Beginning cash and cash equivalents	54,697	12,940
Ending cash and cash equivalents	73,803	54,697
Supplemental cash flow disclosures:
Income taxes paid	0	0
Interest paid	19,008	17,529
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	65,059	45,673
Restricted cash	8,744	9,024
Ending cash and cash equivalents	$ 73,803	$ 54,697