Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Disclosures [Abstract]

Schedule Of Fair Value Hierarchy For Its Cash Equivalents

The Company's fair value hierarchy for its financial instruments consists of cash equivalents as follows (in thousands):

	December 31, 2019
	Level 1		Level 2		Level 3		Total
Money market securities	$	94,260	$	—	$	—	$	94,260
Commercial paper	2,401		—		—		2,401
Total	$	96,661	$	—	$	—	$	96,661

	December 31, 2018
	Level 1		Level 2		Level 3		Total
Money market securities	$	123,121	$	—	$	—	$	123,121
Commercial paper	299		—		—		299
Total	$	123,420	$	—	$	—	$	123,420