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I - OTHER (Details Narrative) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
General and administrative services | $ 2,033,000 us-gaap_OtherGeneralAndAdministrativeExpense | $ 2,245,000 us-gaap_OtherGeneralAndAdministrativeExpense | $ 2,374,000 us-gaap_OtherGeneralAndAdministrativeExpense
Siebert, Brandford, Shank Financial LLC and Subsidiary |  |  |
General and administrative services | 100,000 us-gaap_OtherGeneralAndAdministrativeExpense / dei_LegalEntityAxis = SIEB_SbsFinancialMember |  |
SBS |  |  |
General and administrative services |  | $ 100,000 us-gaap_OtherGeneralAndAdministrativeExpense / dei_LegalEntityAxis = SIEB_SbsMember | $ 75,000 us-gaap_OtherGeneralAndAdministrativeExpense / dei_LegalEntityAxis = SIEB_SbsMember

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- Definition The sum of expenses not otherwise specified in the taxonomy for managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Details
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- Details
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