Net Loss Per Common Share (Tables)

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Summary of Calculation of the Diluted Net Loss per Common Share

The table below provides potentially dilutive securities not included in the calculation of the diluted net loss per common share because to do so would be anti-dilutive:

	Six Months Ended June 30,
	2020		2019
Shares issuable upon conversion of Series A Preferred Stock		391,210		391,210
Shares issuable upon conversion of Series B Preferred Stock		3,088,444		3,088,444
Shares issuable upon conversion of Series C Preferred Stock		4,499,921		4,499,921
Shares issuable upon conversion of Series D Preferred Stock		8,593,360		6,418,437
Shares issuable upon exercise of stock options		2,596,087		1,751,616
Shares issuable upon exercise of common stock warrants		509,562		509,562
Shares issuable upon exercise of preferred stock warrants		446,990		446,990
Total		20,125,574		17,106,180