Net Loss Per Share

9 Months Ended

Sep. 30, 2020

4. Net Loss per Common Share

The Company calculates net loss per common share in accordance with ASC 260 “Earnings Per Share” (“ASC 260”). Basic and diluted net loss per common share was determined by dividing net loss applicable to common stockholders by the weighted average number of shares of common stock outstanding during the period. The weighted average number of shares of common stock for nine months ended September 30, 2020 reflects pre-funded warrants to purchase up to 2,090,000 shares of common stock issued in April 2020 (see Note 9) as outstanding from the date of issuance through exercise.

The following potentially dilutive securities have not been included in the computation of diluted net loss per share for the three and nine months ended September 30, 2019 and 2020, as the result would be anti-dilutive:


	September 30,	September 30,
	2019	2020
Stock options	113,301	154,594
6% convertible exchangeable preferred stock	85	85
Series A preferred stock	6,600	6,600
Common stock warrants	374,525	4,370,525
Total shares excluded from calculation	494,511	4,531,804