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Number of equal tranches in which the granted RSU and options shall vest.

No definition available.

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Data Type:	xbrli:integerItemType
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Amount of annual base salary and bonus.

No definition available.

Name:	cntg_SalaryAndBonusAmount
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

No definition available.

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The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2019-01-01
-Paragraph 17
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_17_e&doctype=Standard
-URIDate 2019-03-27

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2019-01-01
-Paragraph 47
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2019-03-27

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2019-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_45&doctype=Standard
-URIDate 2019-03-27

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Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

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Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=srt_ManagementMember
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Data Type:	na
Balance Type:
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Name:	cntg_IfrsAwardTypeAxis=cntg_IfrsRestrictedStockUnitsRsusMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_StatementScenarioAxis=cntg_VestingInFourTranchesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=cntg_LeadershipTransitionMember
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Data Type:	na
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Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=cntg_FormerChiefExecutiveOfficerMember
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