CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2021	Mar. 31, 2021
Current assets:
Cash and cash equivalents	$ 85,060	$ 45,673
Short-term investments	18,719	65,999
Trade accounts receivable, net	6,146	5,323
Inventories	22,759	22,011
Prepaid expenses and other current assets	6,771	4,870
Total current assets	139,455	143,876
Restricted cash	8,309	9,024
Property and equipment, net	34,950	39,071
Operating lease right-of-use assets	20,405	22,011
Intangible assets, net	553	619
Deferred income taxes	240	255
Other non-current assets	4,864	4,956
Total assets	208,776	219,812
Current liabilities:
Accounts payable	3,253	4,659
Accrued compensation and benefits	7,155	12,343
Accrued expenses and other current liabilities	10,037	14,009
Current portion of long-term debt		24,167
Current portion of operating lease liability	3,113	3,446
Current portion of finance lease obligation	617	835
Total current liabilities	24,175	59,459
Long-term debt, less current portion	228,670	145,059
Derivative liabilities	28,984
Operating lease liability, less current portion	20,093	20,907
Finance lease obligation, less current portion	408	445
Deferred income taxes	2,216	1,152
Defined benefit pension plan obligation	7,577	6,896
7% Cumulative redeemable preference shares	22,263	21,475
Total liabilities	334,386	255,393
Commitments and contingencies
Shareholders' equity (deficit):
Ordinary shares (nil par value) 102,510,717 and 101,264,412 issued and outstanding at December 31, 2021 and March 31, 2021 respectively	540,732	540,813
Additional paid in capital	45,117	38,116
Accumulated other comprehensive loss	(12,329)	(14,598)
Accumulated deficit	(699,130)	(599,912)
Total shareholders' equity (deficit)	(125,610)	(35,581)
Total liabilities and shareholders' equity (deficit)	$ 208,776	$ 219,812