FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2019

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 December 31, 2019 and 2018 (in thousands):



	Fair Value Measurements at December 31, 2019 Using:
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (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	17		—		—		17
Total Liabilities	$	17	$	—	$	—	$	17



	Fair Value Measurements at December 31, 2018 Using:
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents	$	71,568	$	71,568	$	—	$	—
Corporate debt securities	113,097		—		113,097		—
U.S. treasury and government agency securities	10,323		—		10,323		—
Commercial paper	3,995		—		3,995		—
Certificates of deposit	13,500		—		13,500		—
Total Assets	$	212,483	$	71,568	$	140,915	$	—
Liabilities:
Contingent consideration	359		—		—		359
Total Liabilities	$	359	$	—	$	—	$	359