The maximum order value under the Master Design and Development Agreement.

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Percentage of ownership interest sold during the period.

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Loans agreed to be lent by the company to the related party which are convertible in to shares of the investee company.

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This element represents the aggregate cost of investments accounted for under the equity method of accounting.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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No definition available.

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Amount of transactions with related party during the financial reporting period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Investments in Companies Accounted for Using the Equity Method (Details)											1 Months Ended	12 Months Ended
	Oct. 14, 2022	Mar. 01, 2022 USD ($)	Mar. 01, 2022 JPY (¥)	Oct. 29, 2021 USD ($)	Oct. 29, 2021 JPY (¥)	Sep. 15, 2021	Aug. 13, 2021 USD ($)	Aug. 13, 2021 JPY (¥)	Jun. 07, 2021 USD ($)	Jun. 07, 2021 JPY (¥)	Mar. 31, 2022 USD ($)	Apr. 30, 2024 USD ($)	Apr. 30, 2023 USD ($)	Apr. 30, 2022 USD ($)	Mar. 31, 2022 JPY (¥)	May 29, 2021 USD ($)	May 29, 2021 JPY (¥)	Dec. 04, 2019	Dec. 27, 2017
Equity Method Investments
Equity method investment (loss) income												$ (1,674,000)	$ (2,453,000)	$ 5,889,000
Percentage of ownership interest sold											7.00%
Carrying value of investment												$ 19,933,000	18,644,000
Altoy
Equity Method Investments
Percentage of ownership interest sold	35.00%					35.00%
Ownership interest	15.00%					85.00%
HAPSMobile
Equity Method Investments
Ownership interest												100.00%
HAPSMobile
Equity Method Investments
Ownership percentage											7.00%				7.00%			7.00%	5.00%
Payments for purchase of interest											$ 6,497,000				¥ 808,008,000
HAPSMobile \| SoftBank
Equity Method Investments
Ownership percentage											100.00%				100.00%
Execution of MDDA \| ¥																	¥ 500,000,000
LOON LLC
Equity Method Investments
Carrying value of investment												$ 152,000
Altoy
Equity Method Investments
Payments for purchase of interest												108,000
Equity method investment (loss) income												$ 0	189,000
Carrying value of investment													$ 114,000
MDDA \| SoftBank
Equity Method Investments
Maximum value under MDDA																$ 51,200,000
MDDA \| HAPSMobile
Equity Method Investments
Amount funded		$ 4,345,000	¥ 503,832,000	$ 1,674,000	¥ 190,000,000		$ 1,638,000	¥ 180,000,000	$ 1,195,000	¥ 130,000,000