Share-based Payments - 2019 Equity Incentive Plan (2019 Plan) (Details) - 2019 Plan	Jan. 01, 2022
Share-based payments
Maximum amount of share-based award grants allowed under the plan (as a percent)	22.00%
Additional share-based award grants allowed under the plan (as a percent)	3.00%

The amount of additional share-based award grants allowed under the plan on January 1 2020 and on January 1 of each calendar year thereafter, expressed as a percentage of issued share capital.

No definition available.

Name:	cntg_AdditionalSubsequentSharesAuthorizedAnnuallyAsPercentageOfIssuedShareCapital
Namespace Prefix:	cntg_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration