11. Results of former affiliate (Details Narrative) - Siebert Cisneros Shank, LLC [Member] - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Siebert's share of SCSF's consolidated net income		$ 545,000		$ 788,000
General and administrative services Charges to SCSF	$ 0	$ 25,000	$ 23,000	75,000
Advances to SCSF			$ 0
Collection net of advances				$ 79,000

At the close of the period, the dividends or interest included in caption 1 of the statement of operations. In addition, show as the final item the aggregate of dividends and interest included in the statement of operations in respect of investments in affiliates not held at the close of the period. The total of this column would be expected to agree with the correlative amount shown on the related statement of operations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 6
-Subparagraph (SX 210.12-14(Column D)(Column 1))
-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611322-123010

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 6
-Subparagraph (SX 210.12-14(5)(a))
-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611322-123010

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration