Net Loss Per Share (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2023

Dec. 31, 2022

Earnings Per Share [Abstract]

Weighted-Average Equity Instruments Excluded from Calculation of Diluted Net Loss Per Share

The following weighted-average equity instruments were excluded from the calculation of diluted net loss per share because their effect would have been anti-dilutive for the periods presented:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Options to purchase common stock		3,135,672		351,533		1,426,224		335,395
Unvested restricted stock units		—		6,000		252		7,315
Series A Preferred Stock (on an as-converted basis)		42,501,681		—		14,851,447		—

The following weighted-average equity instruments were excluded from the calculation of diluted net loss per share because their effect would have been anti-dilutive for the periods presented:

	Year Ended December 31,
	2022		2021		2020
Options to purchase common stock		346,331		264,858		201,977
Unvested restricted stock units		6,982		7,975		4,239

Schedule of Reconciliation of Basic and Diluted Net Loss Per Share

The following is a reconciliation of the shares used as the denominator for the calculation of basic and diluted net loss per share:

	Year Ended December 31,
	2022		2021		2020
Weighted average common shares		2,307,668		1,956,933		1,608,952
Weighted average pre-funded warrants		1,063,563		672,851		525,917
Total basic and diluted weighted average shares		3,371,231		2,629,784		2,134,869