Net Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2021

Earnings Per Share [Abstract]

Summary of Basic and Diluted Net Income (Loss) Per Common Share

The following table summarizes the computation of the basic and diluted net loss per share:

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2021			2020			2021
Numerator:
Net loss	$	(2,778,485	)	$	(2,750,362	)	$	(5,153,999	)	$	(5,594,358	)
Less: cumulative preferred dividends earned in the period		(279,786	)		(482,662	)		(559,573	)		(960,020	)
Net loss available for distribution to common stock holders	$	(3,058,271	)		(3,233,024	)	$	(5,713,572	)		(6,554,378	)
Denominator:
Weighted-average common shares outstanding		4,725,083			4,921,121			4,721,313			4,880,496
Net loss per share, basic and diluted	$	(0.65	)	$	(0.66	)	$	(1.21	)	$	(1.34	)

Summary of Outstanding Potentially Dilutive Securities

The following table summarizes the outstanding potentially dilutive securities that have been excluded in the calculation of diluted net loss per share because their inclusion would be anti-dilutive:

	At June 30,
	2020		2021
Redeemable Preferred stock		18,329,308		23,768,420
Common stock options		569,400		579,858
Potentially diluted securities		18,898,708		24,348,278