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Note 13 - Income Taxes and Deferred Income Taxes (Tables)

12 Months Ended

May 31, 2024

Notes Tables

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

		For the year ended May 31,
		2024				2023				2022
United States		$	(126,735	)		$	(506,984	)		$	(233,697	)
Canada			(106,822	)			(912,717	)			(81,772	)
Other countries			(15,463	)			(30,480	)			(125,205	)
		$	(249,020	)		$	(1,450,181	)		$	(440,674	)

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

		For the year ended May 31,
		2024				2023				2022
Current:
United States		$	497			$	226			$	262
Canada			10,819				26,290				23,268
Other countries			940				(62	)			479
		$	12,256			$	26,454			$	24,009
Deferred:
United States		$	(723	)		$	(4,055	)		$	520
Canada			(33,422	)			(24,364	)			(17,154	)
Other countries			(4,727	)			(5,216	)			(13,917	)
		$	(38,872	)		$	(33,635	)		$	(30,551	)
Income tax benefits, net		$	(26,616	)		$	(7,181	)		$	(6,542	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

		For the year ended May 31,
		2024				2023				2022
Loss before net income taxes:		$	(249,020	)		$	(1,450,181	)		$	(440,674	)
Income tax benefits at statutory rate			(51,325	)			(304,538	)			(92,542	)
Tax impact of foreign operations			(5,661	)			(25,857	)			81,316
Foreign exchange and other			1,959				13,434				14,941
Non-deductible expenses			6,147				3,982				6,404
Non-deductible (taxable) losses			(682	)			23,150				748
Changes in enacted rates			2,394				(816	)			—
Change in fair value of warrant liability			302				(2,612	)			(13,359	)
Stock based and other compensation			—				—				994
Change in valuation allowance			20,250				285,698				17,255
Impact on convertible debenture and other differences			—				378				(22,299	)
Income tax benefits, net		$	(26,616	)		$	(7,181	)		$	(6,542	)

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

		May 31,
		2024				2023
Deferred assets
Operating loss carryforwards - United States		$	104,377			$	85,259
Operating loss carryforwards - Canada			366,720				145,111
Operating loss carryforwards - Other Countries			18,518				18,787
Capital loss carryforwards			34,355				34,355
Intangible assets			229,953				244,227
Property and equipment			34,578				46,400
Currently nondeductible interest			—				2,812
Investments and convertible notes receivable			45,685				66,718
Investment tax credits and related pool balance			23,132				22,054
Other			46,151				50,074
Total Deferred tax assets			903,469				715,797
Less valuation allowance			(789,839	)			(625,368	)
Net deferred tax assets			113,630				90,429
Deferred tax liabilities
Property and equipment			(18,814	)			(18,129	)
Intangible assets			(218,020	)			(225,460	)
Convertible Senior Notes Due 2023			(2,229	)			(14,204	)
Other Deferred Items			(5,437	)			—
Total deferred tax liabilities			(244,500	)			(257,793	)
Net deferred tax liability		$	(130,870	)		$	(167,364	)

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- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of income before income tax between domestic and foreign jurisdictions.

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