Investments (Tables)

3 Months Ended

Mar. 31, 2020

Investments Debt And Equity Securities [Abstract]

Schedule of Investments by Security Type

Investments by security type consisted of the following at March 31, 2020 and December 31, 2019:

	March 31, 2020
	Amortized Cost		Gross Unrealized Gain		Gross Unrealized Loss			Fair Value
Investments:
Commercial paper	$	11,466	$	—	$	—		$	11,466
Corporate bonds		8,781		—		(10	)		8,771
	$	20,247	$	—	$	(10	)	$	20,237

	December 31, 2019
	Amortized Cost		Gross Unrealized Gain		Gross Unrealized Loss			Fair Value
Investments:
Commercial Paper	$	11,957	$	—	$	—		$	11,957
Corporate Bonds		17,732		3		(2	)		17,733
	$	29,689	$	3	$	(2	)	$	29,690