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SCHEDULE OF DERIVATIVE LIABILITIES MEASURED AT FAIR VALUE (Details) - USD ($) $ in Thousands		3 Months Ended				9 Months Ended
	Jul. 30, 2024	Sep. 30, 2025		Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2025	Sep. 30, 2024
Accounting Policies [Abstract]
Warrant liability, ending balance		$ 5		$ 177	$ 17,421	$ 17,421
Fair value adjustments - Derivative financial liability	$ 2,550		[1]	(107)	3,376	3,269
Cashless exchange of warrants into Common Stock					(20,620)
Series A warrant repurchase		(2)		(65)		(166)
Warrant liability, ending balance		$ 3		$ 5	$ 177	$ 3
[1] Represents amount lower than $1.

X

- Definition

Cashless exchange of warrants into common shares.

+ References

No definition available.

+ Details

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Namespace Prefix:	GCTK_
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- References

No definition available.

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X

- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483444/210-20-55-10

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- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

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- Definition

The aggregate amount paid by the entity to reacquire the right to purchase equity shares at a predetermined price, usually issued together with corporate debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

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