Short-Term Investment

9 Months Ended

Sep. 30, 2021

Short Term Investments [Abstract]

Short-Term Investment

Note 3 – Short-Term Investments

Short-term investments, principally U.S. Treasury bills, are available-for-sale and consisted of the following (in thousands):

	As of September 30, 2021
	Amortized Cost		Unrealized Loss, Net			Estimated Fair Value
Government securities	$	99,989	$	(4	)	$	99,985

	As of December 31, 2020
	Amortized Cost		Unrealized Loss, Net			Estimated Fair Value
Government securities	$	54,983	$	(2	)	$	54,981

All available-for-sale securities held as of September 30, 2021 and December 31, 2020 had a maturity of less than one year.