Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2020

Summary of Significant Accounting Policies

Schedule of cash and cash equivalents and restricted cash

The following table provides a reconciliation of cash and cash equivalents and restricted cash reported within the condensed consolidated balance sheets that equate to the amount reported in the condensed consolidated statement of cash flows as of the beginning and end of the six months ended June 30, 2020 (in thousands):

	June 30,		December 31,
	2020		2019
Cash and cash equivalents	$	266,974	$	62,430
Restricted cash		9,326		9,326
Cash, cash equivalents and restricted cash in the condensed consolidated statements of cash flows	$	276,300	$	71,756

Schedule of potentially dilutive securities not included in the calculation of diluted net loss per share attributable to common stockholders

Potentially dilutive securities not included in the calculation of diluted net loss per share because to do so would be anti-dilutive were as follows (in common stock equivalent shares, in thousands):

	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2020	2019	2020	2019
Stock options outstanding	5,336	3,750	4,585	3,648
Unvested restricted stock units	516	380	493	363
Employee stock purchase plan	-	20	-	18
	5,852	4,150	5,078	4,029