Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value, Assets and Liabilities Measured on Recurring Basis

The following tables summarize assets and liabilities measured at fair value on a recurring basis as of December 31, 2019 and 2018:

	As of December 31, 2019
	Total		Quoted market prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
	(In thousands)
Assets:
Cash equivalents: money-market funds	$	22,105	$	22,105	$	—	$	—
Available-for-sale debt investments: convertible debt⁽¹⁾		1,326		—		—		1,326
Available-for-sale investments: certificates of deposit⁽¹⁾		149		—		149		—
Trading securities: mutual funds⁽¹⁾		4,023		4,023		—		—
Foreign currency forward contracts⁽²⁾		152	—			152		—
Total assets measured at fair value	$	27,755	$	26,128	$	301	$	1,326
Liabilities:
Foreign currency forward contracts⁽³⁾	$	525	$	—	$	525	$	—
Contingent consideration⁽⁴⁾		5,928		—		—		5,928
Total liabilities measured at fair value	$	6,453	$	—	$	525	$	5,928

	As of December 31, 2018
	Total		Quoted market prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
	(In thousands)
Assets:
Cash equivalents: money-market funds	$	22,573	$	22,573	$	—	$	—
Available-for-sale debt investments: U.S. treasuries⁽¹⁾		70,314		—		70,314		—
Available-for-sale investments: certificates of deposit⁽¹⁾		149		—		149		—
Trading securities: mutual funds⁽¹⁾		2,854		2,854	—			—
Foreign currency forward contracts⁽²⁾		786		—		786		—
Total assets measured at fair value	$	96,676	$	25,427	$	71,249	$	—
Liabilities:
Foreign currency forward contracts⁽³⁾	$	368	$	—	$	368	$	—
Contingent consideration⁽⁴⁾		5,953		—		—		5,953
Total liabilities measured at fair value	$	6,321	$	—	$	368	$	5,953

⁽¹⁾	Included in Short-term investments on the Company's consolidated balance sheets.

⁽²⁾	Included in Prepaid expenses and other current assets on the Company's consolidated balance sheets.

⁽³⁾	Included in Other accrued liabilities on the Company's consolidated balance sheets.

⁽⁴⁾

^{Included in Other non-current accrued liabilities on the Company’s consolidated balance sheets. The contingent consideration represents the estimated fair value of the additional variable cash consideration payable in connection with the acquisition of Meural that is contingent upon the achievement of certain technical and service revenue milestones. Refer to Note 4, Business Acquisition, regarding detailed disclosures on the determination of fair value of the contingent consideration.}