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Revenue by geographic areas (Details) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
United States |  |
Revenues: (in thousands) | $ 12,840 sckt_Revenues1 / us-gaap_StatementGeographicalAxis = sckt_UnitedStatesMember | $ 10,918 sckt_Revenues1 / us-gaap_StatementGeographicalAxis = sckt_UnitedStatesMember
Europe |  |
Revenues: (in thousands) | 2,864 sckt_Revenues1 / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember | 2,728 sckt_Revenues1 / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
Asia and rest of world |  |
Revenues: (in thousands) | 1,317 sckt_Revenues1 / us-gaap_StatementGeographicalAxis = sckt_AsiaAndRestOfWorldMember | 2,015 sckt_Revenues1 / us-gaap_StatementGeographicalAxis = sckt_AsiaAndRestOfWorldMember
Total |  |
Revenues: (in thousands) | $ 17,021 sckt_Revenues1 / us-gaap_StatementGeographicalAxis = sckt_TotalMember | $ 15,661 sckt_Revenues1 / us-gaap_StatementGeographicalAxis = sckt_TotalMember

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Data Type: | na
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