Amount of capitalized investment.

No definition available.

Name:	cntg_CapitalizedInvestment
Namespace Prefix:	cntg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

It represents the number of customer in group.

+ References

No definition available.

+ Details

Name:	cntg_NumberOfCustomersInGroup
Namespace Prefix:	cntg_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of provision for expected credit losses on contract assets, recognized by the company.

+ References

No definition available.

+ Details

Name:	cntg_ProvisionForExpectedCreditLossesOnContractAssets
Namespace Prefix:	cntg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount represents the real estate transfer tax expenses.

+ References

No definition available.

+ Details

Name:	cntg_RealEstateTransferTaxExpenses
Namespace Prefix:	cntg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfMajorCustomersLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of the entity's revenue. [Refer: Revenue]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 8
-IssueDate 2019-01-01
-Paragraph 34
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2019-en-r&anchor=para_34&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_PercentageOfEntitysRevenue
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2019-01-01
-Paragraph 73
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e&doctype=Standard
-URIDate 2019-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 54
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_54_a&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_PropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity’s ordinary activities in exchange for consideration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2019-01-01
-Paragraph 113
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2019-en-r&anchor=para_113_a&doctype=Standard
-URIDate 2019-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2019-01-01
-Paragraph 114
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2019-en-r&anchor=para_114&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_RevenueFromContractsWithCustomers
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of revenue that was included in the contract liability balance at the beginning of the period. [Refer: Contract liabilities; Revenue from contracts with customers]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2019-01-01
-Paragraph 116
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2019-en-r&anchor=para_116_b&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2019-01-01
-Paragraph 53
-Subparagraph j
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_53_j&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_RightofuseAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of cost related to the issuance of shares.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 106
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_106_d&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_ShareIssueRelatedCost
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of the transaction price allocated to the performance obligations that are unsatisfied (or partially unsatisfied) as of the end of the reporting period. The transaction price is the amount of consideration to which an entity expects to be entitled in exchange for transferring promised goods or services to a customer, excluding amounts collected on behalf of third parties (for example, some sales taxes). [Refer: Performance obligations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2019-01-01
-Paragraph 120
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2019-en-r&anchor=para_120_a&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	ifrs-full_MajorCustomersAxis=cntg_PharmaceuticalPartnerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_GeographicalAreasAxis=country_US
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_GeographicalAreasAxis=country_DE
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	cntg_IfrsSubsidiarySaleOfStockAxis=cntg_FollowOnPublicOfferingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	cntg_IfrsSubsidiarySaleOfStockAxis=cntg_IfrsIPOMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SegmentsAxis=cntg_PharmaceuticalSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SegmentsAxis=cntg_Covid19Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_MajorCustomersAxis=cntg_Covid19PartnerOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_MajorCustomersAxis=cntg_Covid19PartnerTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	cntg_IfrsBalanceSheetLocationAxis=ifrs-full_PropertyPlantAndEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	cntg_IfrsBalanceSheetLocationAxis=ifrs-full_RightofuseAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	cntg_IfrsBalanceSheetLocationAxis=ifrs-full_IntangibleAssetsOtherThanGoodwillMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Segment information and revenue from contracts with customers - Additional information (Details) € in Thousands	12 Months Ended
	Dec. 31, 2020 EUR (€) customer	Dec. 31, 2019 EUR (€) customer	Dec. 31, 2018 EUR (€) customer
Segment information
Share issue related cost	€ 779	€ 4,899	€ 0
Real estate transfer tax expenses		1,200	0
Property, plant and equipment	16,590	8,376
Right-of-use assets.	22,120	24,932	5,767
Revenue from contracts with customers	128,381	48,780	40,478
Provision for expected credit losses on contract assets	356	8
Revenues recognized for contract liabilities	2,516	3,748
Performance obligations	1,963	€ 0
Pharmaceutical Partner
Segment information
Percentage of revenue		24.30%
—United States
Segment information
Property, plant and equipment	516	€ 286	718
Right-of-use assets.	709	1,042	0
Revenue from contracts with customers	19,059	22,778	17,296
Germany
Segment information
Revenue from contracts with customers	81,065	508	1,061
Follow-on public offering
Segment information
Share issue related cost	278
IPO
Segment information
Share issue related cost		1,092
Pharmaceutical
Segment information
Revenue from contracts with customers	16,951	21,522	17,307
Pharmaceutical \| Pharmaceutical Partner
Segment information
Revenue from contracts with customers	€ 0	€ 1,930	€ 4,000
Percentage of revenue	8.60%	24.30%	27.30%
Number of customer in group \| customer	1	1	1
Pharmaceutical \| —United States
Segment information
Revenue from contracts with customers	€ 16,711	€ 20,896	€ 16,653
Pharmaceutical \| Germany
Segment information
Revenue from contracts with customers		€ 233	€ 654
Covid-19
Segment information
Revenue from contracts with customers	€ 89,322
Number of customer in group \| customer	2
Covid-19 \| Covid-19 Partner One
Segment information
Percentage of revenue	14.60%
Covid-19 \| Covid-19 Partner Two
Segment information
Percentage of revenue	13.50%
Covid-19 \| —United States
Segment information
Revenue from contracts with customers	€ 978
Covid-19 \| Germany
Segment information
Revenue from contracts with customers	80,879
Capitalized investment	10,800
Property Plant And Equipment \| Covid-19 \| Germany
Segment information
Capitalized investment	7,700
Right-of-use assets \| Covid-19 \| Germany
Segment information
Capitalized investment	1,400
Intangible assets \| Covid-19 \| Germany
Segment information
Capitalized investment	€ 1,700