Condensed Consolidated Balance Sheets - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Current Assets
Cash and cash equivalents	$ 1,497,000	$ 4,492,000
Other current assets	440,000	376,000
Total current assets	1,937,000	4,868,000
Operating lease right-of-use asset, net (Note 3C)	77,000
Property and equipment, net	82,000	27,000
Restricted cash	10,000	10,000
TOTAL ASSETS	2,106,000	4,905,000
Current Liabilities
Accounts payable	1,014,000	839,000
Operating lease liability, current (Note 3C)	24,000
Other current liabilities	444,000	673,000
Total current liabilities	1,482,000	1,512,000
Non-current Liabilities
Loans from stockholders	195,000	196,000
Operating lease liability, non-current (Note 3C)	53,000
Total liabilities	1,730,000	1,708,000
Commitments and contingent liabilities (Note 4)
Stockholders’ Equity
Common Stock of $ 0.001 par value (“Common Stock”): 500,000,000 shares authorized as of March 31, 2024 and December 31, 2023; 26,756,369 and 20,892,193 shares issued and outstanding as of March 31, 2024 and December 31, 2023, respectively	27,000	20,000
Additional paid-in capital	113,029,000	112,966,000
Receipts on account of shares	78,000	48,000
Accumulated other comprehensive income	22,000	16,000
Accumulated deficit	(112,780,000)	(109,853,000)
Total stockholders’ equity	376,000	3,197,000
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 2,106,000	$ 4,905,000

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).