Note 6 - Receivables from and Payables to Brokers, Dealers, and Clearing Agencies (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Due to (from) Broker-Dealers and Clearing Organizations [Table Text Block]

	As of December 31,
	2020		2019
Deposits with clearing organizations	$	250	$	250
Unsettled regular way trades, net		2,961		12,170
Receivable from clearing organizations		49,706		83,712
Receivables from brokers, dealers, and clearing agencies	$	52,917	$	96,132

	As of December 31,
	2020		2019
Margin payable	$	156,678	$	208,441
Due to clearing agent		-		32,820
Payables to brokers, dealers, and clearing agencies	$	156,678	$	241,261