Net Loss per Share	9 Months Ended
Sep. 30, 2021
Net Loss per Share
Net Loss per Share	6. Net Loss per Share Basic net loss per share is computed by dividing net loss by the weighted average number of common shares outstanding. Diluted net loss per share is computed by dividing net loss by the weighted average number of common shares outstanding including the effect of common share equivalents. Diluted net loss per share assumes the issuance of potential dilutive common shares outstanding for the period and adjusts for any changes in income and the repurchase of common shares that would have occurred from the assumed issuance, unless such effect is anti-dilutive. Net loss attributable to common stockholders for the nine months ended September 30, 2021 excludes net loss attributable to non-controlling interest of $0.1 million and includes the accretion of the Series B preferred discount of $1.5 million as a result of converted shares and Series A preferred stock accrued dividends of $0.1 million and the deemed dividend of $7.4 million resulting from the effect of the Series A preferred stock price adjustment during the first quarter of 2021. Net loss attributable to common stockholders for the three and nine months ended September 30, 2020 excludes net loss attributable to non-controlling interest of $0.1 million and includes the accretion of Series B preferred discount of $0.5 million and $1.3 million, respectively, on converted shares and Series A preferred stock accrued dividends of $0.1 million and $0.2 million, respectively. There were no shares of common stock underlying Series B preferred shares convertible to common stock that were excluded from the computations of net loss per common share for the three and nine months ended September 30, 2021 since all remaining Series B preferred stock were converted to common stock. A total of 3,605,217 shares of common stock underlying Series B preferred shares convertible to common stock were excluded from the computations of net loss per common share for the three and nine months ended September 30, 2020. The number of options and warrants for the purchase of common stock that were excluded from the computations of net loss per common share for the three and nine months ended September 30, 2021 were 3,997,418 and 6,344,966, respectively, and for the nine months ended September 30, 2020 were 2,460,325 and 18,714,999, respectively, because their effect is anti-dilutive.

Net Loss per Share

9 Months Ended

Sep. 30, 2021

6. Net Loss per Share

Basic net loss per share is computed by dividing net loss by the weighted average number of common shares outstanding. Diluted net loss per share is computed by dividing net loss by the weighted average number of common shares outstanding including the effect of common share equivalents. Diluted net loss per share assumes the issuance of potential dilutive common shares outstanding for the period and adjusts for any changes in income and the repurchase of common shares that would have occurred from the assumed issuance, unless such effect is anti-dilutive. Net loss attributable to common stockholders for the nine months ended September 30, 2021 excludes net loss attributable to non-controlling interest of $0.1 million and includes the accretion of the Series B preferred discount of $1.5 million as a result of converted shares and Series A preferred stock accrued dividends of $0.1 million and the deemed dividend of $7.4 million resulting from the effect of the Series A preferred stock price adjustment during the first quarter of 2021. Net loss attributable to common stockholders for the three and nine months ended September 30, 2020 excludes net loss attributable to non-controlling interest of $0.1 million and includes the accretion of Series B preferred discount of $0.5 million and $1.3 million, respectively, on converted shares and Series A preferred stock accrued dividends of $0.1 million and $0.2 million, respectively. There were no shares of common stock underlying Series B preferred shares convertible to common stock that were excluded from the computations of net loss per common share for the three and nine months ended September 30, 2021 since all remaining Series B preferred stock were converted to common stock. A total of 3,605,217 shares of common stock underlying Series B preferred shares convertible to common stock were excluded from the computations of net loss per common share for the three and nine months ended September 30, 2020. The number of options and warrants for the purchase of common stock that were excluded from the computations of net loss per common share for the three and nine months ended September 30, 2021 were 3,997,418 and 6,344,966, respectively, and for the nine months ended September 30, 2020 were 2,460,325 and 18,714,999, respectively, because their effect is anti-dilutive.