Subsequent events (Details) € in Millions	Apr. 30, 2024 EUR (€) employee	Apr. 30, 2024 USD ($) employee	Feb. 07, 2024 EUR (€)	Feb. 07, 2024 USD ($)	Apr. 17, 2024 USD ($)
Subsequent Event
Subsequent Event [Line Items]
Loss contingency, estimate of possible loss, daily | $					$ 25,000
Spoke Network
Subsequent Event [Line Items]
Government assistance, amount approved for grant			€ 6.4	$ 6,900,000
Spoke Network | Subsequent Event
Subsequent Event [Line Items]
Government assistance, amount	€ 5.3	$ 5,800,000
Government assistance, number of employees required to engage | employee	38	38