Marketable Securities

12 Months Ended

Dec. 31, 2020

Marketable Securities

Marketable Securities

Note 4.  Marketable Securities

There were no investments in marketable securities at December 31, 2020. At December 31, 2019 investments in marketable securities were classified as available-for-sale and consisted of the following:

	At December 31, 2019
	Amortized		Unrealized				Fair
(In thousands)	Cost		Gains		Losses		Value
U.S. government and agency obligations	$	19,950	$	14	$	1	$	19,963
Corporate debt securities		2,493		8		—		2,501
Marketable securities	$	22,443	$	22	$	1	$	22,464

There were no net pre-tax unrealized gains for marketable securities at December 31, 2020. There were no sales of marketable securities during the year ended December 31, 2020.

There were no marketable securities in an unrealized loss position at December 31, 2020.

At December 31, 2019, unrealized losses and the fair value of marketable securities aggregated by investment category and the length of time the securities were in a continuous loss position, were as follows:

	At December 31, 2019
	Less than 12 months				12 months or more				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(In thousands)	Value		Losses		Value		Losses		Value		Losses
U.S. government and agency obligations	$	5,997	$	1	$	—	$	—	$	5,997	$	1
Corporate debt securities		—		—		—		—		—		—
Marketable securities	$	5,997	$	1	$	—	$	—	$	5,997	$	1