Annual report pursuant to Section 13 and 15(d)

Net Loss per Share

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Net Loss per Share
 12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Net Loss per Share Net Loss per Share
Basic net loss per share is calculated by dividing net income (loss) by the weighted average shares outstanding during the period, without consideration for common stock equivalents. Diluted net loss per share is calculated by adjusting weighted average shares outstanding for the dilutive effect of common stock equivalents outstanding for the period, determined using the treasury-stock and if-converted methods. For purposes of the diluted net loss per share calculation, preferred stock, stock options, and warrants are considered to be common stock equivalents but have been excluded from the calculation of diluted net loss per share, as their effect would be anti-dilutive for all periods presented. Therefore, basic and diluted net loss per share were the same for all periods presented.

For the years ended December 31, 2021 and 2020, and as calculated using the treasury stock method, approximately 36.8 million and 37.0 million of weighted average shares, respectively, were excluded from the calculation of diluted weighted average shares outstanding as their effect was antidilutive.