Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Summary of Basic and Diluted Net Loss per Share Attributable to Common Stockholders

Basic and diluted net loss per share attributable to common stockholders was calculated as follows (in thousands, except share and per share data):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2021			2020			2021			2020
Numerator:
Net loss	$	(11,055	)	$	(6,334	)	$	(29,896	)	$	(15,106	)
Accretion of redeemable    convertible preferred stock		—			—			—			(115	)
Net loss attributable to common    stockholders	$	(11,055	)	$	(6,334	)	$	(29,896	)	$	(15,221	)
Denominator:
Weighted-average common    shares—basic and diluted		13,001,514			12,924,682			12,979,837			7,133,967
Net loss per share attributable to    common stockholders—basic and    diluted	$	(0.85	)	$	(0.49	)	$	(2.30	)	$	(2.13	)

Summary of Potentially Dilutive Securities Excluded from Calculation of Diluted Net Loss per Share

The following table sets forth the potentially dilutive securities that have been excluded from the calculation of diluted net loss per share because to include them would be anti-dilutive (in common stock equivalent shares retroactively adjusted):

	Nine Months Ended September 30,
	2021		2020
Stock options		1,850,313		1,375,307
Total		1,850,313		1,375,307