Short-Term Investments (Tables)

6 Months Ended

Jun. 30, 2019

The following is a summary of the Company’s short-term investments (in thousands):

	June 30, 2019								December 31, 2018
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Loss		Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Loss			Fair Value
Corporate bonds and commercial paper	$	5,989	$	3	$	-	$	5,992	$	37,168	$	—	$	(17	)	$	37,151
U.S. government securities		4,994		1		—		4,995		4,995		—		—			4,995
Total Short-Term Investments	$	10,983	$	4	$	-	$	10,987	$	42,163	$	—	$	(17	)	$	42,146

The following table summarizes the maturities of the Company’s short-term investments by contractual maturity (in thousands):

	June 30, 2019				December 31, 2018
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Less than 1 year	$	10,983	$	10,987	$	42,163	$	42,146
Due in 1-3 years		—				—		—
Total Short-Term Investments	$	10,983	$	10,987	$	42,163	$	42,146