Net Loss per Share (Tables)

9 Months Ended

Sep. 30, 2023

Earnings Per Share [Abstract]

Schedule of Weighted-Average Common Shares Outstanding

The following securities are the weighted-average common shares outstanding used to calculate basic and diluted net loss per common share:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022 (1)		2023		2022 (1)
Common stock		10,287,620		8,136,740		9,206,650		7,156,344
March 2022 pre-funded warrants		1,122,819		1,280,965		1,227,670		889,169
May 2023 Tranche A pre-funded exchange warrants		26,309		-		8,866		-
Total		11,436,748		9,417,705		10,443,186		8,045,513

(1) The Company revised the 2022 weighted-average common shares outstanding calculation to include the March 2022 pre-funded warrants. Management believes this version results in a more appropriate treatment of the pre-funded warrants in calculating the net loss per share.

Schedule of Potentially Dilutive Securities Outstanding Excluded from Computations of Diluted Weighted-Average Shares Outstanding

The following potentially dilutive securities outstanding have been excluded from the computations of diluted weighted-average shares outstanding for the periods presented because such securities have an antidilutive impact due to losses reported (in common stock equivalent shares):

	As of September 30,
	2023		2022
Warrants issued to 2010/2012 convertible note    holders to purchase common stock		6,804		6,804
Warrants issued to underwriter to purchase common stock		1,100		1,100
2018 PIPE warrants		34,241		34,241
March 2022 common warrants		2,130,656		4,000,000
May 2023 Tranche A warrants		2,867,908		—
May 2023 Tranche B warrants		14,000,000		—
Options to purchase common stock		2,300,412		686,816
Outstanding restricted stock units		424,244		19,068
Total		21,765,365		4,042,145