4. Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2018

Revenue Recognition Tables

Disaggregation of revenue

			Three months Ended March 31,
			2018		2017
Revenue Stream	Income Statement Classification		Total Revenue
Revenue from Principal transactions:			(in thousands)
Principal transactions		Principal transactions	$	572	$	109
Principal transactions attributed to assets acquired from StockCross		Principal transactions		2,369		—
Total revenue from Principal transactions			$	2,941	$	109
Revenue from Commissions and fees:
Commissions and fees		Commissions and fees	$	1,955	$	1,183
Commissions and fees attributed to assets acquired from StockCross		Commissions and fees		719		—
Total revenue from Commissions and fees			$	2,674	$	1,183
Revenue from Margin interest, marketing and distribution fees:
Margin interest, marketing and distribution fees		Margin interest, marketing and distribution fees	$	2,328	$	1,080
Margin interest, marketing and distribution fees attributed to assets acquired from StockCross		Margin interest, marketing and distribution fees		207		—
Total revenue from Margin interest, marketing and distribution fees		Margin interest, marketing and distribution fees	$	2,535	$	1,080
Total revenue from contracts with customers
Other revenue:
Advisory fees		Advisory fees	$	16	$	5
Interest and dividends		Interest and dividends		11		2
Total revenues		Total revenues	$	8,177	$	2,379