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Commitments and contingencies - Lease commitments (Details) - USD ($) |  | 1 Months Ended
--- | --- | ---
Oct. 14, 2024 | Sep. 30, 2023
Commitments and contingencies |  |
Compensatory damages |  | $ 38,000,000
litigation cost | $ 13,050 |

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- Definition Amount of loss from litigation settlement for amount awarded to other party. Excludes claims within an insurance entity's normal claims settlement process. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-1 + Details
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