Financial instruments and fair value measurements - Transfers between levels (Details) $ in Thousands	Mar. 31, 2023 USD ($)
Financial instruments and fair value measurements
Transfer of assets from level 1 to level 2	$ 0
Transfer of assets from level 2 to level 1	$ 0

Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.

No definition available.

Name:	ipsc_FairValueAssetsLevel1ToLevel2TransfersAmountOne
Namespace Prefix:	ipsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant