Marketable Securities

6 Months Ended

Jun. 30, 2020

Marketable Securities

Marketable Securities

Note 4 – Marketable Securities

Marketable securities classified as available-for-sale as of June 30, 2020 and December 31, 2019 were comprised of (in thousands):

	June 30, 2020								December 31, 2019
			Gross		Gross						Gross		Gross
	Amortized		Unrealized		Unrealized				Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value		Cost		Gains		Losses		Fair Value
Treasury bills	$	49,981	$	2	$	—	$	49,983	$	—	$	—	$	—	$	—
Corporate debt securities	$	27,877	$	42	$	—	$	27,919	$	—	$	—	$	—	$	—
Total	$	77,858	$	44	$	—	$	77,902	$	—	$	—	$	—	$	—

The primary objective of the Company's investment policy is the preservation of capital; thus, the Company's investment policy limits investments to certain types of instruments with high-grade credit ratings, places restrictions on maturities and concentrations in certain industries and requires the Company to maintain a certain level of liquidity.