XML 64 R54.htm IDEA: XBRL DOCUMENT
v3.23.2

Other Receivables (Details) - USD ($) | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Other Receivables (Details) [Line Items] |  |
Consideration received value | $ 1,178,684 | $ 1,026,293
Convertible bonds | 1,000,000 |
Other Receivables [Member] |  |
Other Receivables (Details) [Line Items] |  |
Consideration received value | $ 100,000 | $ 948,000

X
- Definition Amount of convertible bonds. + References No definition available. + Details
Name: | gdc_ConvertibleBonds
Namespace Prefix: | gdc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | gdc_OtherReceivablesDetailsLineItems
Namespace Prefix: | gdc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount due from parties in nontrade transactions, classified as other. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(5)(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_OtherReceivables
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=gdc_OtherReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |