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Non-operating (expense) income (Tables) | 12 Months Ended
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May 31, 2021
Nonoperating Income Expense [Abstract] |
Schedule of Non-Operating (Expense) Income | Non-operating (expense) income is comprised of:
|  | For the year ended May 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Foreign exchange (loss) gain |  | $ | (22,347 | ) |  | $ | 6,145 |  |  | $ | 692 |
Loss on marketable securities |  |  | — |  |  |  | (252 | ) |  |  | (135 | )
Gain (loss) on sale of capital assets |  |  | 1,523 |  |  |  | (8,075 | ) |  |  | 42 |
(Loss) gain from equity investees |  |  | (458 | ) |  |  | — |  |  |  | 44,191 |
Deferred gain on sale of intellectual property |  |  | — |  |  |  | — |  |  |  | 257 |
Loss on promissory notes receivable |  |  | — |  |  |  | (9,698 | ) |  |  | — |
(Loss) gain on long-term investments |  |  | (2,352 | ) |  |  | (24,295 | ) |  |  | 14,860 |
Unrealized (loss) gain on convertible debentures |  |  | (170,453 | ) |  |  | 44,322 |  |  |  | 36,630 |
Realized gain on settlement of convertible debentures |  |  | — |  |  |  | 9,289 |  |  |  | — |
Legal settlement |  |  | — |  |  |  | (3,241 | ) |  |  | — |
Unrealized loss on financial liabilities |  |  | — |  |  |  | — |  |  |  | (1,003 | )
Change in fair value of warrant liability |  |  | 1,234 |  |  |  | — |  |  |  | — |
Other non-operating items, net |  |  | 8,015 |  |  |  | — |  |  |  | — |
|  | $ | (184,838 | ) |  | $ | 14,195 |  |  | $ | 95,534 |

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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