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Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2019

Marketable Securities

Summary of investments

The following table summarizes the Company’s investments as of June 30, 2019 (in thousands):

					Gross
		Amortized			Unrealized						Estimated
		Cost			Gains			Losses			Fair Value
Marketable securities available-for-sale:
U.S. Treasury obligations		$	71,275		$	58		$	—		$	71,333
Total available-for-sale securities		$	71,275		$	58		$	—		$	71,333

The following table summarizes the Company’s investments as of December 31, 2018 (in thousands):

					Gross
		Amortized			Unrealized						Estimated
		Cost			Gains			Losses			Fair Value
Marketable securities available-for-sale:
U.S. Treasury obligations		$	60,584		$	—		$	(8)		$	60,576
Total available-for-sale securities		$	60,584		$	—		$	(8)		$	60,576

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- Definition

Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

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