Net Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2021

Net Loss Per Share [Abstract]

Basic and Diluted Net Loss Per Share

Basic and diluted net loss per share attributable to common stockholders was calculated as follows:

	Three Months Ended March 31,
	2021			2020
Numerator:
Net loss attributable to common stockholders	$	(40,179	)	$	(24,664	)
Denominator:
Weighted-average common shares outstanding - basic and diluted		61,574,405			54,883,120
Net loss per share attributable to common stockholders - basic and diluted	$	(0.65	)	$	(0.45	)

Antidilutive Securities Excluded from Computation of Diluted Net Loss Per Share

The Company excluded the following potential shares of common stock, presented based on amounts outstanding at each period end, from the computation 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 March 31,
	2021		2020
Shares issuable upon conversion of the 2021 Convertible Notes		160,536		394,327
Shares issuable upon conversion of the 2022 Convertible Notes		1,195,449		1,226,621
Warrants exercisable for common shares		610,437		14,102
Options to purchase common shares		10,892,830		10,538,890
		12,859,252		12,173,940