CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
OPERATING ACTIVITIES:
Net loss	$ (38,868)	$ (27,292)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation, amortization and loss on disposal of fixed assets	1,464	1,930
Share-based compensation	1,634	1,823
Increase in deferred lease rentals	387	176
Swiss pension obligation	223	188
Amortization of debt discount and unrealized foreign currency loss (gains) on debt	21,855	(1,641)
Impairment Of Investments	995	0
Change in fair value of derivative liabilities	(10,844)	1,984
Accrued preference share dividends	263	263
Provision for income taxes	133	502
Net change in assets and liabilities:
Trade accounts receivable, net	834	893
Inventories	(1,122)	(834)
Accounts payable and accrued liabilities	(920)	(2,382)
Accrued compensation and benefits	(1,457)	(4,181)
Other assets and liabilities	(10,094)	(3,482)
Net cash used in operating activities	(35,518)	(32,053)
INVESTING ACTIVITIES:
Increase in short-term investments	0	(4,500)
Realization of short-term investments	0	18,551
Purchase of property and equipment	(835)	(1,405)
Net cash (used in) provided by investing activities	(835)	12,646
FINANCING ACTIVITIES:
Repayment of finance leases	(165)	(213)
Proceeds from issuance of long-term debt	0	104,222
Debt issuance costs	0	(3,732)
Repayment of long-term debt	0	(12,083)
Proceeds from (cost of) issuance of ordinary shares and warrants	17,903	(79)
Net cash provided by financing activities	17,738	88,115
Effect of exchange rate fluctuations on cash and cash equivalents	(311)	(552)
Change in cash and cash equivalents	(18,926)	68,156
Beginning cash and cash equivalents	73,803	54,697
Total cash, cash equivalents and restricted cash	54,877	122,853
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	46,153	114,547
Restricted cash	8,724	8,306
Total cash, cash equivalents and restricted cash	$ 54,877	$ 122,853