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

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Percentage of voting equity interest acquired in business combination.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Nature of business and organization - Organization and business overview (Details) - USD ($)	Dec. 07, 2023	Jun. 30, 2025
Sonic Auspice DC LLC
Nature of business and organization
Equity interest (in percent)		55.00%
Sonic Auspice DC LLC
Nature of business and organization
Ownership interest to be acquired (as a percent)	55.00%
Sonic Auspice DC LLC \| Sonic Auspice DC LLC
Nature of business and organization
Total consideration	$ 750