v3.21.2

Discontinued Operations (Consolidated Statements Of balance sheets) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Aug. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | --- | ---
Cash |  |  | $ 35 | $ 15
Current | $ 0 |  | 97 |
Current |  |  | 4,342 |
Century Skyway Limited |  |  |  |
Cash |  |  | 2 | 5
Advances to suppliers |  |  | 44 | 45
Goodwill |  |  | 12,831 | 12,831
Intangible assets |  |  | 16,402 | 16,402
Long-live asset subtotal |  |  | 16,402 | 16,402
Assets held for sale |  |  |  | 29,283
Current |  |  |  | 12,881
Non-current |  |  |  | 16,402
Other payables, accrued liabilities and customer deposits |  |  | 185 | 182
Deferred tax liabilities |  |  | 4,100 | 4,100
Liabilities held for sale |  |  |  | 4,282
Current |  |  |  | 182
Non-current |  |  |  | $ 4,100
Boca International Limited |  |  |  |
Cash |  | $ 2 | 35 |
Accounts receivable, net |  | 186 | 25 |
Operating lease right-of-use assets, net |  | 95 | 95 |
Other receivables and prepayments |  | 37 | 37 |
Equipment |  |  | 2,799 |
Intangible assets |  | 2,063 | 2,377 |
Long-live asset subtotal |  | 4,900 | 5,271 |
Assets held for sale |  |  | 5,368 |
Current |  |  | 97 |
Non-current |  |  | 5,271 |
Other payables, accrued liabilities and customer deposits |  | 4,235 | 4,274 |
Operating lease liability, current |  |  | 68 |
Operating lease liability, non-current |  |  | 29 |
Deferred tax liabilities |  | $ 516 | 594 |
Liabilities held for sale |  |  | 4,965 |
Current |  |  | 4,342 |
Non-current |  |  | $ 623 |

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Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=sgoc_BocaInternationalLimitedMember
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Data Type: | na
Balance Type: |
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