Marketable Investments (Tables)

9 Months Ended

Sep. 30, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of marketable investments

Investments in available-for-sale corporate debt securities and equity securities as of September 30, 2022 and December 31, 2021 consist of the following (in thousands):

Marketable Investments

	September 30, 2022		December 31, 2021
Corporate debt securities	$	88	$	119
Equity securities		500		1,034
Total marketable investments	$	588	$	1,153

Schedule of marketable investments

The amortized cost basis amounts, gross unrealized holding gains, gross unrealized holding losses and fair values of available-for-sale corporate debt securities as of September 30, 2022 and December 31, 2021, are as follows (in thousands):

Marketable Investments (Details 2)

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Loss		Fair Value
September 30, 2022	$	88	$	—	$	—	$	88
December 31, 2021	$	119	$	—	$	—	$	119

Schedule of Proceeds from sales, gross unrealized gains and gross unrealized losses for available-for-sale securities

The following table presents unrealized net gain (loss) on equity securities during the three and nine months ended September 30, 2022 and 2021 (in thousands):

Marketable Investments (Details 3)

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022			2021
Unrealized net gain (loss) on equity securities reflected in the unaudited condensed consolidated statements of income	$	13	$	342	$	(534	)	$	1,557