Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Summary of the outstanding securities not included in the computation of diluted net loss per common share as their inclusion would be anti-dilutive

The following table summarizes outstanding securities not included in the computation of diluted net loss per common share as their inclusion would be anti-dilutive:

	As of December 31,
	2021		2020		2019
Common stock options		2,301,574		1,837,540		1,461,987
Unvested restricted common stock		0		0		0
Preferred stock		1,969,797		1,969,797		1,969,797