XML 128 R100.htm IDEA: XBRL DOCUMENT v3.25.0.1

Related-party Transactions - Schedule of Related Party Transactions (Details) - USD ($) $ in Thousands		1 Months Ended	12 Months Ended
	Nov. 15, 2023	Jul. 31, 2024	Dec. 31, 2024	Dec. 31, 2023
2024 Securities Purchase Agreement
Related Party Transaction [Line Items]
Total aggregate purchase price		$ 82,800
2023 Private Placement
Related Party Transaction [Line Items]
Shares issued (in shares)	619.627
Total aggregate purchase price	$ 250
Timothy A. Springer, Ph.D. | Related Party | 2024 Securities Purchase Agreement
Related Party Transaction [Line Items]
Total aggregate purchase price			$ 32,737
Timothy A. Springer, Ph.D. | Related Party | 2023 Private Placement
Related Party Transaction [Line Items]
Shares issued (in shares)			99,140.326	24,785.081
Total aggregate purchase price			$ 40,000	$ 10,000
TAS Partners, LLC | Related Party | 2024 Securities Purchase Agreement
Related Party Transaction [Line Items]
Total aggregate purchase price			14,427
TAS Partners, LLC | Related Party | 2023 Private Placement
Related Party Transaction [Line Items]
Shares issued (in shares)				24,785.081
Total aggregate purchase price				$ 10,000
Dr. Chafen Lu | Related Party | 2024 Securities Purchase Agreement
Related Party Transaction [Line Items]
Total aggregate purchase price			$ 26
Seven One Eight Three Four Irrevocable Trust (affiliate of Murat Kalayoglu, MD, Ph.D.) | Related Party | 2023 Private Placement
Related Party Transaction [Line Items]
Shares issued (in shares)				619.627
Total aggregate purchase price				$ 250

X

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(i))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(ii))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

+ Details

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

X

- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

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

X

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=rnac_SecuritiesPurchaseAgreement2024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=rnac_PrivatePlacement2023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=rnac_Dr.TimothyA.SpringerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_RelatedPartyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=rnac_TASPartnersLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=rnac_Dr.ChafenLuMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=rnac_SevenOneEightThreeFourIrrevocableTrustMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: