v2.4.1.9

Organization and description of business (Acquisition of Honesty Group Holdings Limited) (Details)	1 Months Ended
	Mar. 12, 2010	Dec. 31, 2014	Dec. 31, 2013	Mar. 11, 2010
Business Acquisition [Line Items]
Common stock, shares outstanding	16,094,756us-gaap_CommonStockSharesOutstanding	17,414,861us-gaap_CommonStockSharesOutstanding	17,660,356us-gaap_CommonStockSharesOutstanding	5,299,126us-gaap_CommonStockSharesOutstanding
Common stock, shares issued	16,094,756us-gaap_CommonStockSharesIssued	17,414,861us-gaap_CommonStockSharesIssued	17,660,356us-gaap_CommonStockSharesIssued	5,299,126us-gaap_CommonStockSharesIssued
Honesty Group [Member]
Business Acquisition [Line Items]
Shares exchange transaction with Honesty Group	14,300,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued / us-gaap_BusinessAcquisitionAxis = sgoc_HonestyGroupMember
Ownership percentage	100.00%us-gaap_MinorityInterestOwnershipPercentageByParent / us-gaap_BusinessAcquisitionAxis = sgoc_HonestyGroupMember

X

- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

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-Publisher FASB

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-Topic 805

-SubTopic 30

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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-Name Regulation S-X (SX)

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