Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Schedule of Major Revenue Categories

The following table presents the major revenue categories and when each category is recognized:

	Year Ended December 31,
Revenue Category	2018		2017		Timing of Recognition
Trading Execution and Clearing Services
Commissions and fees	$	9,504,000	$	4,801,000	Recorded on trade date
Principal transactions	$	9,020,000	$	1,639,000	Recorded on trade date
Advisory fees and additional income	$	584,000	$	70,000	Recorded as earned
Other Income
Margin interest, marketing and distribution fees
Margin interest	$	7,663,000	$	3,726,000	Recorded as earned
12b1 fees		3,265,000		2,874,000	Recorded as earned
Total Margin interest, marketing and distribution fees	$	10,928,000	$	6,600,000
Total Revenue	$	30,036,000	$	13,110,000

Schedule of Revenue Categories and Remaining Performance Obligations

The following table presents each revenue category and its related performance obligation:

Revenue Stream	Performance Obligation
Principal transactions, Commissions and fees, Advisory fees and additional income	Provide security trading services to customer and act as agent
Margin interest, marketing and distribution fees	n/a

Schedule of Disaggregation of Revenue

The following table presents a breakdown of the Company’s revenue between the amounts attributed to the legacy Siebert customer base vs. the accounts acquired from the StockCross Retail Assets:

	Year Ended December 31,
	2018		2017
Revenue from Principal transactions:
Principal transactions – Legacy Siebert	$	1,894,000	$	490,000
Principal transactions – StockCross Retail Assets		7,126,000		1,149,000
Total Revenue from Principal transactions	$	9,020,000	$	1,639,000
Revenue from Commissions and fees:
Commissions and fees – Legacy Siebert	$	7,792,000	$	4,527,000
Commissions and fees – StockCross Retail Assets		1,712,000		274,000
Total Revenue from Commissions and fees	$	9,504,000	$	4,801,000
Revenue from Margin interest, marketing and distribution fees:
Margin interest, marketing and distribution fees – Legacy Siebert	$	9,674,000	$	6,409,000
Margin interest, marketing and distribution fees – StockCross Retail Assets		1,254,000		191,000
Total Revenue from Margin interest, marketing and distribution fees	$	10,928,000	$	6,600,000
Additional Revenue:
Advisory fees – Legacy Siebert		478,000		51,000
Interest – Legacy Siebert		106,000		19,000
Total Revenue	$	30,036,000	$	13,110,000