Net Loss per Share (Tables)

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Schedule of Antidilutive Securities Excluded from Calculation of Diluted Net Loss per Share Attributable to Common Stockholders

Net Loss per Share

The following common stock equivalents were excluded from the calculation of diluted net loss per share attributable to common stockholders for the periods indicated because including them would have had an anti-dilutive effect:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Series A Preferred Stock		—		8,571,427		—		8,571,427
Series B Preferred Stock		—		5,714,277		—		5,714,277
Outstanding stock options		1,981,457		117,056		1,981,457		117,056
Unvested restricted stock awards		782,548		1,447,349		782,548		1,447,349
Total		2,764,005		15,850,109		2,764,005		15,850,109