The amount of upfront cash payment receivable under the collaboration agreement.

No definition available.

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of payments recorded as prepaid expenses and other current assets.

+ References

No definition available.

+ Details

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- Definition

Number of related parties in the transaction.

+ References

No definition available.

+ Details

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- Definition

Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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-Publisher FASB
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-Paragraph 1
-Subparagraph (SX 210.4-08(k)(1))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

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Balance Type:	credit
Period Type:	instant

- Definition

Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Paragraph 1B
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-URI https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756

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- Definition

Carrying amount as of the balance sheet date of obligations due all related parties.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
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-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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Balance Type:	credit
Period Type:	instant

- Definition

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
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-Paragraph 3
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 912
-SubTopic 730
-Section 25
-Paragraph 1
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 1
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 730
-SubTopic 10
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_TypeOfArrangementAxis=ipsc_BristolMyersSquibbCompanyCollaborationAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=ipsc_FcdiCollaborationAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ipsc_FujifilmCellularDynamicsInc.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ipsc_ShareholdersOfEquityMethodInvestorMember
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Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=ipsc_ConsultingArrangementsMember
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Period Type:

- Details

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- Details

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Related party transactions (Details)	3 Months Ended		12 Months Ended
Related party transactions (Details)	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2019 USD ($) item	Dec. 31, 2022 USD ($)	Jan. 07, 2022 USD ($)
Collaboration Agreement
Related party transactions
Upfront cash payment receivable					$ 100,000,000
FCDI Collaboration Agreement
Related party transactions
Payment to related party	$ 12,000	$ 3,003,000
Research and development	32,000	1,445,000
Legal fees	33,000	30,000
Accounts payable				$ 0
Accrued expenses	21,000
FCDI Collaboration Agreement \| Collaboration Agreement
Related party transactions
Upfront cash payment receivable					$ 10,000,000
FUJIFILM Cellular Dynamics, Inc.
Related party transactions
Development and regulatory milestone payments	6,000,000
Shareholders of Equity Method Investor \| Consulting Arrangements
Related party transactions
Number of related parties \| item			2
Pre payments to related party			$ 125,000
Shareholders of Equity Method Investor \| Consulting Arrangements \| Accrued expenses
Related party transactions
Accrued expenses	0			$ 0
Shareholders of Equity Method Investor \| Consulting Arrangements \| Research and development expenses
Related party transactions
Research and development	$ 0	$ 19,000