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Commitments and contingencies - Additional Information (Details) $ in Thousands, € in Millions	Dec. 30, 2022 USD ($)	Apr. 01, 2021 EUR (€)	Mar. 31, 2023 USD ($)	Jan. 24, 2023 USD ($)	Dec. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)	Oct. 12, 2021 EUR (€)
Loss Contingencies [Line Items]
Inventories			$ 2,337		$ 1,998
Milestone payment unpaid | €							€ 1
Medac [Member]
Loss Contingencies [Line Items]
Due from related parties | €		€ 1
Agreement date		Dec. 10, 2018
Inventories						$ 200
Term over which the royalty is to be paid	5 years
Minimum annual payments	$ 200
Medac [Member] | Other Liabilities
Loss Contingencies [Line Items]
Loss Contingency Accrual	1,300
Medac [Member] | Other Noncurrent Liabilities
Loss Contingencies [Line Items]
Loss Contingency Accrual	1,100
Medac [Member] | Accrued Expenses
Loss Contingencies [Line Items]
Loss Contingency Accrual	$ 200
Lachman [Member]
Loss Contingencies [Line Items]
Loss Contingency Accrual				$ 900
Unpaid consulting fees				900
Loss contingency disputes charges				$ 300

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