Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Loss Per Share

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

	Year Ended December 31,
	2021			2020
Net loss	$	(14,653	)	$	(8,557	)
Cumulative dividends on convertible preferred stock		—			(1,783	)
Net loss attributable to common stockholders	$	(14,653	)	$	(10,340	)
Net loss per share—basic and diluted	$	(1.47	)	$	(3.02	)
Weighted-average number of shares used in computing net loss  per share—basic and diluted		9,969,733			3,419,075

Schedule of Potentially Dilutive Securities Excluded from Calculation of Diluted Net Loss Per Share

The following outstanding potentially dilutive securities have been excluded from the calculation of diluted net loss per share, as their effect is antidilutive:

	Year Ended December 31,
	2021		2020
Convertible preferred stock		—		9,993,727
Stock options to purchase common stock		1,723,587		1,247,158