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Note 13 - Income Taxes and Deferred Income Taxes - Reconciliation of Effective Income Tax Rate (Details) - USD ($)
$ in Thousands
12 Months Ended
May 31, 2024
May 31, 2023
May 31, 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) 0
Change in fair value of warrant liability 302 (2,612) (13,359)
Stock based and other compensation 0 0 994
Change in valuation allowance 20,250 285,698 17,255
Impact on convertible debenture and other differences 0 378 (22,299)
Income tax benefits, net $ (26,616) $ (7,181) $ (6,542)