Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2023	Aug. 31, 2022
Revenue
Revenues	$ 132	$ 168	$ 505	$ 336
Cost of sales
Cost of sales	47	62	241	126
Gross margin	85	106	264	210
Operating expenses
Research and development	50	54	104	107
Selling, marketing and administration	73	86	172	168
Amortization	14	25	29	52
Impairment of long-lived assets (note 2)	1	4	1	4
Gain on Disposition of Assets	0	(6)	0	(6)
Debentures fair value adjustment	(6)	(10)	16	(56)
Litigation Settlement, Expense	0	0	0	165
Total operating expenses	132	153	322	434
Operating loss	(47)	(47)	(58)	(224)
Investment income (loss), net (note 2 and note 5)	7	(2)	10	(3)
Loss before income taxes	(40)	(49)	(48)	(227)
Provision for income taxes (note 4)	2	5	5	8
Net loss	$ (42)	$ (54)	$ (53)	$ (235)
Loss per share (note 7)
Earnings (Loss) Per Share, Basic (in usd per share)	$ (0.07)	$ (0.09)	$ (0.09)	$ (0.41)
Earnings (Loss) Per Share, Diluted (in usd per share)	$ (0.07)	$ (0.10)	$ (0.09)	$ (0.45)