Investment in Securities (Tables)

3 Months Ended

Mar. 31, 2021

Investment in Securities [Abstract]

Investments in Equity Securities

Investments in equity securities and funds at March 31, 2021 and December 31, 2020 consisted of the following (in thousands):

	March 31, 2021				December 31, 2020
	Cost		Estimated Fair Value		Cost		Estimated Fair Value
Investments in equity securities and funds:
Common stocks	$	38,297	$	19,068	$	41,341	$	19,099
Open-end funds		5,632		5,960		5,757		6,128
Actively managed semi-transparent ETFs		5,000		4,890		-		-
Closed-end Funds		510		512		628		618
Total investments in equity securities and funds	$	49,439	$	30,430	$	47,726	$	25,845

Investments in Debt Securities

Investments in debt securities at March 31, 2021 and December 31, 2020 consisted of the following (in thousands):

	March 31, 2021
	Amortized Cost		Gross Unrecognized Holding Gains		Gross Unrecognized Holding Losses		Estimated Fair Value
Short-term investments in U.S. Treasury Bills:
U.S. Treasury Bills	$	9,999	$	1	$	-	$	10,000
Total short-term investments in U.S. Treasury Bills	$	9,999	$	1	$	-	$	10,000

	December 31, 2020
	Amortized Cost		Gross Unrecognized Holding Gains		Gross Unrecognized Holding Losses		Estimated Fair Value
Short-term investments in U.S. Treasury Bills:
U.S. Treasury Bills	$	64,988	$	6	$	-	$	64,994
Total short-term investments in U.S. Treasury Bills	$	64,988	$	6	$	-	$	64,994

Securities Sold, Not Yet Purchased

Securities sold, not yet purchased at March 31, 2021 and December 31, 2020 consisted of the following (in thousands):

	March 31, 2021				December 31, 2020
	Cost		Estimated Fair Value		Cost		Estimated Fair Value
Investments in equity securities:
Common stocks	$	-	$	-	$	728	$	799
Total securities sold, not yet purchased	$	-	$	-	$	728	$	799