Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2022

Fair Value Disclosures [Abstract]

Schedule of Fair Value Hierarchy for Assets and Liabilities Measured at Fair Value

Fair Value Hierarchy Tables

The following tables present the Company's fair value hierarchy for those assets and liabilities measured at fair value on a recurring basis as of the periods presented.

	As of September 30, 2022
	Level 1		Level 2		Level 3		Total
Assets
Cash and securities segregated for regulatory purposes
U.S. government securities*	$	140,197,000	$	—	$	—	$	140,197,000
Securities owned, at fair value
U.S. government securities**	$	2,823,000	$	—	$	—	$	2,823,000
Certificates of deposit		—		92,000		—		92,000
Municipal securities		—		174,000		—		174,000
Corporate bonds		—		106,000		—		106,000
Equity securities		96,000		177,000		—		273,000
Total Securities owned, at fair value	$	2,919,000	$	549,000	$	—	$	3,468,000
Liabilities
Securities sold, not yet purchased, at fair value
Equity securities	$	4,000	$	—	$	—	$	4,000
Unit investment trust		—		7,000		—		7,000
Total Securities sold, not yet purchased, at fair value	$	4,000	$	7,000	$	—	$	11,000

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	As of December 31, 2021
	Level 1		Level 2		Level 3		Total
Assets
Securities owned, at fair value
U.S. government securities**	$	2,966,000	$	—	$	—	$	2,966,000
Certificates of deposit		—		91,000		—		91,000
Corporate bonds		—		12,000		—		12,000
Equity securities		489,000		433,000		—		922,000
Total Securities owned, at fair value	$	3,455,000	$	536,000	$	—	$	3,991,000
Liabilities
Securities sold, not yet purchased, at fair value
Equity securities	$	—	$	24,000	$	—	$	24,000
Total Securities sold, not yet purchased, at fair value	$	—	$	24,000	$	—	$	24,000

*As of September 30, 2022, the Company had U.S. government securities with market values of approximately $24.6 million, $9.8million, $9.7 million, $62.2 million, $23.9 million, and $9.7 million with corresponding maturity dates of March 23, 2023, May 18, 2023, August 31, 2023, December 31, 2023, January 31, 2024, and May 31, 2024, respectively as well as approximately $0.3 million of interest. As of December 31, 2021, the Company did not have any U.S. government securities classified as cash and securities segregated for regulatory purposes.

**As of September 30, 2022, the Company had U.S. government securities with market values of approximately $24,000, $5,000 and $2.8 million with corresponding maturity dates of June 30, 2024, September 30, 2024, and August 15, 2024, respectively. As of December 31, 2021, the U.S. government securities had a maturity date of August 15, 2024.