XML 18 R7.htm IDEA: XBRL DOCUMENT v3.24.2.u1

Unaudited Interim Consolidated Statements of Changes in Shareholders’ Equity (Parentheticals)	3 Months Ended
	Mar. 31, 2024
Statement of Stockholders' Equity [Abstract]
Stock for acquisition of ownership percentage	13.33%

X

- Definition

Stock for acquisition of ownership percentage.

+ References

No definition available.

+ Details

Name:	gdc_StockForAcquisitionOfOwnershipPercentage
Namespace Prefix:	gdc_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_StatementOfStockholdersEquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration