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Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Apr. 30, 2023
Accumulated Other Comprehensive Loss |
Schedule of components of accumulated other comprehensive (loss) income and adjustments | The components of accumulated other comprehensive loss are as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Total Accumulated | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Other | ​
​ | ​ | Available-for-Sale | ​ | Foreign Currency | ​ | Comprehensive | ​
​ |  | Securities | ​ | Translation Adjustments | ​ | Income | ​
Total accumulated other comprehensive loss balance as of April 30, 2022 | ​ | $ | (53) | ​ | $ | (6,461) | ​ | $ | (6,514) | ​
Unrealized gain, net of $0 of taxes | ​ | ​ | 53 | ​ | ​ | — | ​ | ​ | 53 | ​
Changes in foreign currency translation adjustments | ​ | ​ | — | ​ | ​ | 2,009 | ​ | ​ | 2,009 | ​
Total accumulated other comprehensive loss balance as of April 30, 2023 | ​ | $ | — | ​ | $ | (4,452) | ​ | $ | (4,452) | ​

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