Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Summary of Calculation of Basic and Diluted Net Loss Per Common Unit

The following table presents the calculation of basic and diluted net loss per share (in thousands, except share and per share data):

	Years Ended December 31,
	2021		2020		2019
Basic and diluted net loss per share
Numerator:
Net loss attributable to common stockholders	$	(30,940)	$	(25,260)	$	(44,064)
Denominator:
Weighted-average number of common stock—basic and dilutive	63,813,770		51,153,041		49,949,858
Net loss per share:
Basic and dilutive	$	(0.48)	$	(0.49)	$	(0.88)

Summary of Outstanding Potentially Dilutive Securities were Excluded from the Calculation of Diluted Net Loss Per Common Unit Attributable to Common Unitholders

The following outstanding potentially dilutive securities were excluded from the calculation of diluted net loss per share attributable to common stockholders because their impact would have been anti-dilutive for the periods presented:

	As of December 31,
	2021	2020	2019
Options to purchase common stock outstanding, unexercised	4,256,812	3,169,696	2,757,696
Restricted stock awards, unvested	691,270	2,700,948	4,008,696
Restricted stock units, unvested	1,073,529	—	—
Total	6,021,611	5,870,644	6,766,392