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Related Party Transactions | 3 Months Ended
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Oct. 31, 2020
Related Party Transactions |
Related Party Transactions | 16. Related Party Transactions ​ Related party transactions are defined as transactions between the Company and entities either controlled by the Company or that the Company can significantly influence. Although SoftBank has a controlling interest in HAPSMobile, the Company determined that it has the ability to exercise significant influence over HAPSMobile. As such, HAPSMobile and SoftBank are considered related parties of the Company. Concurrent with the formation of HAPSMobile, the Company executed a Design and Development Agreement (the “DDA”) with HAPSMobile. Under the DDA and related efforts, the Company will use its best efforts, up to a maximum net value of $173,820,000, to design and build prototype solar powered high altitude aircraft and ground control stations for HAPSMobile and conduct low altitude and high altitude flight tests of the prototype aircraft. ​ The Company recorded revenue under the DDA and preliminary design agreements between the Company and SoftBank of $11,452,000 and $27,838,000 for the three and six months ended October 31, 2020, respectively. The Company recorded revenue under the DDA and preliminary design agreements between the Company and SoftBank of $13,393,000 and $25,728,000 for the three and six months ended October 26, 2019, respectively. At October 31, 2020 and April 30, 2020, the Company had unbilled related party receivables from HAPSMobile of $14,974,000 and $15,779,000 recorded in unbilled receivables and retentions on the consolidated balance sheets, respectively. At April 30, 2019, the Company owned a 10% stake in accordance with the Joint Venture Agreement which was diluted to approximately 5% during the first three months ended July 27, 2019. On December 4, 2019, the Company purchased 540,050,000 yen ($4,982,000) of additional shares of HAPSMobile to increase its ownership stake to approximately 7%. Refer to Note 6—Equity Method Investments for further details.

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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -URI http://asc.fasb.org/topic&trid=2122745 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864 + Details
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