Cash received from grantors during the current period related to operating activities. This element represents receipts from a guarantor for the amount of guarantee provided.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-25

+ Details

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

- Definition

Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

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

- Definition

The amount the entity has committed to make for future royalty guarantees.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 928
-SubTopic 440
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477866/928-440-50-1

+ Details

Name:	us-gaap_RoyaltyGuaranteesCommitmentsAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of increase (decrease) in fair value of royalty guarantee.

+ References

No definition available.

+ Details

Name:	vtak_IncreaseDecreaseInFairValueOfRoyaltyGuarantee
Namespace Prefix:	vtak_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The number of investment grant agreements entered.

+ References

No definition available.

+ Details

Name:	vtak_NumberOfInvestmentGrantAgreementsEntered
Namespace Prefix:	vtak_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties, classified as current.

+ References

No definition available.

+ Details

Name:	vtak_RoyaltiesPayableCurrent
Namespace Prefix:	vtak_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of royalties payable.

+ References

No definition available.

+ Details

Name:	vtak_RoyaltyPayable
Namespace Prefix:	vtak_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of royalty.

+ References

No definition available.

+ Details

Name:	vtak_RoyaltyPercentage
Namespace Prefix:	vtak_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_GuaranteeObligationsByNatureAxis=vtak_RoyaltyPaymentAfterUSPatentGrantedAndOneMillionPaidMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

Note 8 - Royalties Payable (Details Textual) $ in Thousands		3 Months Ended		24 Months Ended
Note 8 - Royalties Payable (Details Textual) $ in Thousands	Jan. 09, 2023 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2007 USD ($)	Dec. 31, 2024 USD ($)
LockeT Royalty [Member]
Royalties Payable, Current		$ 21			$ 32
LockeT Royalty [Member] \| Noteholders [Member]
Royalty Percentage	11.82%
Royalty Payable		10,400			$ 9,200
Increase (Decrease) in Fair Value of Royalty Guarantee		1,200	$ 100
LockeT Royalty [Member] \| Inventor of LockeT [Member]
Royalty Percentage	5.00%
Royalty Guarantees, Commitments, Amount	$ 1,000
LockeT Royalty [Member] \| Inventor of LockeT [Member] \| Royalty Payment After U.S. Patent Granted and One Million Paid [Member]
Royalty Percentage	2.00%
Royalty Guarantees, Commitments, Amount	$ 10,000
AMIGO System Royalty [Member]
Number of Investment Grant Agreements Entered				2
Proceeds from Grantors				$ 1,600
Royalty Expense		$ 0	$ 0