Marketable Securities

9 Months Ended

Sep. 30, 2018

Marketable Securities

Marketable Securities

4. Marketable Securities

The Company did not have any available-for-sale investments as of September 30, 2018.

The following table summarizes the Company’s investments as of December 31, 2017 (in thousands):

			Gross
	Amortized		Unrealized				Estimated
	Cost		Gains		Losses		Fair Value
Marketable securities available-for-sale:
U.S. Treasury obligations	$	1,500	$	—	$	(2)	$	1,498
Total available-for-sale securities	$	1,500	$	—	$	(2)	$	1,498