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v3.22.1

Commitments and contingencies - Additional Information (Details) $ in Thousands, € in Millions |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2021 | Jul. 27, 2020 USD ($) | Apr. 01, 2020 | Dec. 31, 2021 USD ($) | Apr. 01, 2021 USD ($) | Apr. 01, 2021 EUR (€) | Dec. 31, 2020 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Percentage of enrolled patients | 87.00% |  |  |  |  |  |
Increase in revenue recognition |  |  |  | $ 1,742 |  |  |
Medac [Member] |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Due from related parties |  |  |  |  | $ 1,160 | € 1,000 |
Agreement date |  |  | Dec. 10, 2018 |  |  |  |
Pending Litigation [Member] |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Unpaid compensation amounts claimed |  | $ 1,140 |  |  |  |  |
Accrued unpaid compensation amounts |  |  |  |  |  |  | $ 1,140

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