CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
OPERATING ACTIVITIES:
Net loss	$ (99,218)	$ (71,691)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation, amortization and loss on disposal of fixed assets	5,696	6,354
Share-based compensation	4,738	3,498
Increase in deferred lease rentals	505	512
Swiss pension obligation	493	776
Amortization of deferred debt issue costs and discount	6,377	9,728
Change in fair value of derivative liabilities	(3,926)
Accrued preference share dividends	788	788
Income taxes	1,109	999
Net change in assets and liabilities:
Trade accounts receivable, net	(879)	1,268
Inventories	(468)	(1,218)
Accounts payable and accrued liabilities	(3,805)	(4,601)
Accrued compensation and benefits	(5,239)	(2,825)
Other assets	(2,344)	(330)
Net cash used in operating activities	(96,173)	(56,742)
INVESTING ACTIVITIES:
Increase in short-term investments	(4,500)	(72,247)
Realization of short-term investments	51,425	57,683
Purchase of property and equipment	(2,282)	(3,602)
Net cash provided by investing activities	44,643	(18,166)
FINANCING ACTIVITIES:
Repayment of finance leases	(528)	(491)
Proceeds from issuance of long-term debt	104,222
Debt issuance costs	(3,732)
Repayment of long-term debt	(12,083)
(Cost of) proceeds from issuance of ordinary shares and warrants	(81)	80,888
Net cash provided by financing activities	87,798	80,397
Effect of exchange rate fluctuations on cash and cash equivalents	2,404	(5,982)
Change in cash and cash equivalents	38,672	(493)
Beginning cash and cash equivalents	54,697	12,940
Ending cash and cash equivalents	93,369	12,447
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	85,060	3,401
Restricted cash	8,309	9,046
Ending cash and cash equivalents	$ 93,369	$ 12,447