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Accumulated other comprehensive loss (Tables) | 12 Months Ended
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May 31, 2021
Equity [Abstract] |
Schedule of Accumulated Other Comprehensive Loss | Accumulated other comprehensive loss includes the following components:
|  | Foreign currency translation (loss) gain |  |  | Unrealized loss on convertible notes receivables |  |  | Total |
Balance May 31, 2018 |  | $ | 110 |  |  | $ | 2,844 |  |  | $ | 2,954 |
Other comprehensive income (loss) |  |  | (90 | ) |  |  | (2,570 | ) |  |  | (2,660 | )
Elimination of CTA on disposal of equity investee |  |  | 606 |  |  |  | — |  |  |  | 606 |
Balance May 31, 2019 |  |  | 626 |  |  |  | 274 |  |  |  | 900 |
Other comprehensive income (loss) |  |  | (858 | ) |  |  | (5,476 | ) |  |  | (6,334 | )
Balance May 31, 2020 |  |  | (232 | ) |  |  | (5,202 | ) |  |  | (5,434 | )
Settlement of convertible notes receivable |  |  | — |  |  |  | 5,277 |  |  |  | 5,277 |
Other comprehensive income (loss) |  |  | 156,649 |  |  |  | (3,824 | ) |  |  | 152,825 |
Balance May 31, 2021 |  | $ | 156,417 |  |  | $ | (3,749 | ) |  | $ | 152,668 |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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