Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current Assets
Cash and cash equivalents	$ 3,854	$ 6,062
Other current assets	370	43
Total current assets	4,224	6,105
Operating lease right-of-use assets, net		40
Property and equipment, net	49	69
Restricted Cash	44	51
TOTAL ASSETS	4,317	6,265
Current Liabilities
Accounts payable	617	631
Operating lease liabilities, current		23
Other current liabilities	318	229
Total Current Liabilities	935	883
Non-current Liabilities
Loans from Stockholders	192	210
Operating lease liabilities, non-current		17
Total Non-current liabilities	192	227
Total Liabilities	1,127	1,110
Stockholders’ Equity
Common stock value	15	15
Additional paid-in capital	102,821	102,612
Accumulated other comprehensive income (loss)	31	(6)
Receipts on account of shares	9
Accumulated deficit	(99,686)	(97,466)
Total Stockholders’ equity	3,190	5,155
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 4,317	$ 6,265

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).