v2.4.1.9

Accounting policies (Schedule of Consolidated Subsidiaries) (Details)	Dec. 31, 2014
SGOCO International [Member]
Entity Information [Line Items]
Ownership percentage	100.00%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = sgoc_SgocoInternationalMember
SGOCO Fujian [Member]
Entity Information [Line Items]
Ownership percentage	100.00%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = sgoc_SgocoFujianMember
Beijing SGOCO [Member]
Entity Information [Line Items]
Ownership percentage	100.00%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = sgoc_BeijingSgocoMember
SGO [Member]
Entity Information [Line Items]
Ownership percentage	100.00%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = sgoc_SgoMember
SGOCO Shenzhen [Member]
Entity Information [Line Items]
Ownership percentage	100.00%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = sgoc_SgocoShenzhenMember

X

- Details

Name:	dei_EntityInformationLineItems
Namespace Prefix:	dei_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	dei_LegalEntityAxis=sgoc_BeijingSgocoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=sgoc_SgocoFujianMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=sgoc_SgocoInternationalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=sgoc_SgocoShenzhenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=sgoc_SgoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: