Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2019

Summary of Significant Accounting Policies

Schedule of reconciliation of cash and cash equivalents and restricted cash

	September 30,		December 31,
	2019		2018
Cash and cash equivalents	$	166,144	$	114,504
Restricted cash		1,282		—
Cash, cash equivalents and restricted cash shown in the condensed consolidated statements of cash flows	$	167,426	$	114,504

Summary of unaudited pro forma net loss per share

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Convertible preferred stock (as converted)		—		17,248,259		—		17,248,259
Common stock options		3,690,398		1,638,380		3,690,398		1,638,380
Common stock warrants		49,997		62,936		49,997		62,936
Convertible preferred stock warrants		—		49,997		—		49,997
Early exercised stock options		2,284		—		2,284		—
		3,742,679		18,999,572		3,742,679		18,999,572