XML 74 R52.htm IDEA: XBRL DOCUMENT
v3.21.2

Accumulated Other Comprehensive Income (Tables) | 12 Months Ended
--- | ---
Apr. 30, 2021
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, 2020 | ​ | $ | 50 | ​ | $ | 278 | ​ | $ | 328 | ​
Changes in foreign currency translation adjustments | ​ | ​ | — | ​ | ​ | 75 | ​ | ​ | 75 | ​
Unrealized losses, net of $1 of taxes | ​ | ​ | (60) | ​ | ​ | — | ​ | ​ | (60) | ​
Total accumulated other comprehensive income balance as of April 30, 2021 | ​ | $ | (10) | ​ | $ | 353 | ​ | $ | 343 | ​

X
- References No definition available. + Details
Name: | us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration