Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current Assets
Cash and cash equivalents (Note 2D)	$ 4,492	$ 2,312
Other current assets	376	67
Total current assets	4,868	2,379
Property and equipment, net	27	40
Restricted cash (Note 2D)	10	19
TOTAL ASSETS	4,905	2,438
Current Liabilities
Accounts payable	839	672
Other current liabilities	673	341
Total current liabilities	1,512	1,013
Non-current Liabilities
Loans from stockholders (Note 3)	196	195
Total liabilities	1,708	1,208
Commitments and contingent liabilities (Note 4)
Stockholders’ Equity (Note 5)
Common Stock of $ 0.001 par value (“Common Stock”): 500,000,000 shares authorized as of December 31, 2023 and 2022; 20,892,193 and 15,500,730 shares issued and outstanding as of December 31, 2023 and 2022, respectively	20	15
Additional paid-in capital	112,966	103,095
Receipts on account of shares	48	4
Accumulated other comprehensive income	16	17
Accumulated deficit	(109,853)	(101,901)
Total stockholders’ equity	3,197	1,230
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 4,905	$ 2,438

Receipts on account of shares.

No definition available.

Name:	GCTK_ReceiptsOnAccountOfShares
Namespace Prefix:	GCTK_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).