Consolidated Statements of Changes in Members' Capital - USD ($)	3 Months Ended			10 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Nov. 09, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net income loss	$ (1,534,000)	$ 948,000	$ 28,000		$ (2,869,000)	$ (6,557,000)	$ (5,912,000)
SIEBERT, BRANDFORD, SHANK FINANCIAL, LLC AND SUBSIDIARY
Members' capital, Beginning	$ 16,060,137		15,915,862	$ 16,060,137	$ 16,060,137	15,915,862
Distributions to members				(200,000)		(26,472)
Net income loss				1,369,369		170,747
Members' capital, Ending		$ 16,060,137		$ 17,229,506		16,060,137	15,915,862
SIEBERT, BRANDFORD, SHANK & CO. LLC
Members' capital, Beginning			$ 15,915,862			$ 15,915,862	18,196,500
Distributions to members							(2,473,529)
Net income loss							192,891
Members' capital, Ending							$ 15,915,862