Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2020

Fair Value Disclosures [Abstract]

Schedule of assets and liabilities measured at fair value on a recurring basis

The following tables present information about our assets and liabilities that we measure at fair value on a recurring basis and indicate the level within the fair value hierarchy of the valuation techniques utilized to determine such fair value as of March 31, 2020 and December 31, 2019 (in thousands):

	Fair Value Measurements at March 31, 2020 Using:
			Quoted Prices in				Significant
			Active Markets for		Significant Other		Unobservable
			Identical Assets		Observable Inputs		Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Assets:
Cash equivalents	$	1,890	$	1,890	$	—	$	—
Corporate debt securities	63,488		—		63,488		—
Certificates of deposit	5,800		—		5,800		—
Commercial paper	1,000		—		1,000		—
Total assets	$	72,178	$	1,890	$	70,288	$	—

	Fair Value Measurements at December 31, 2019 Using:
			Quoted Prices in				Significant
			Active Markets for		Significant Other		Unobservable
			Identical Assets		Observable Inputs		Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Assets:
Cash equivalents	$	13,732	$	13,732	$	—	$	—
Corporate debt securities	54,492		—		54,492		—
U.S. treasury and government agency securities	2,750		—		2,750		—
Certificates of deposit	1,500		—		1,500		—
Total assets	$	72,474	$	13,732	$	58,742	$	—
Liabilities:
Contingent consideration - MuGard	$	17	$	—	$	—	$	17
Total liabilities	$	17	$	—	$	—	$	17