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Accumulated Other Comprehensive Income (Tables) | 12 Months Ended
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Apr. 30, 2022
Accumulated Other Comprehensive Income |
Schedule of components of accumulated other comprehensive income | The components of accumulated other comprehensive income are as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Total Accumulated | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Other | ​
​ | ​ | Available-for-Sale | ​ | Foreign Currency | ​ | Comprehensive | ​
​ |  | Securities | ​ | Translation Adjustments | ​ | Income | ​
Total accumulated other comprehensive income balance as of April 30, 2021 | ​ | $ | (10) | ​ | $ | 353 | ​ | $ | 343 | ​
Unrealized losses, net of $8 of taxes | ​ | ​ | (43) | ​ | ​ | — | ​ | ​ | (43) | ​
Changes in foreign currency translation adjustments | ​ | ​ | — | ​ | ​ | (6,471) | ​ | ​ | (6,471) | ​
Amounts reclassified to other (expense) income, net | ​ | ​ | — | ​ | ​ | (343) | ​ | ​ | (343) | ​
Total accumulated other comprehensive income balance as of April 30, 2022 | ​ | $ | (53) | ​ | $ | (6,461) | ​ | $ | (6,514) | ​

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