Earnings (Net Loss) Per Share	6 Months Ended
Jun. 30, 2023
Earnings Per Share [Abstract]
Earnings (Net Loss) Per Share	3. Earnings (Net Loss) Per Share Basic earnings (net loss) per share is calculated by dividing the net income (loss) by the weighted average number of common shares outstanding for the period. Diluted earnings (net loss) per share is computed by dividing the net income (loss) by the weighted average number of common shares and common stock equivalents outstanding for the period determined using the treasury stock method. For purposes of diluted earnings (net loss) per share calculation, equity awards, employee stock purchase plan rights, and warrants are considered to be common stock equivalents. For the three and six months ended June 30, 2023, potentially dilutive shares excluded from calculation of diluted earnings (net loss) per share due to anti-dilutive effect were approximately 16,378,000 shares and 23,174,000 shares, respectively. For the three and six months ended June 30, 2022, potentially dilutive shares excluded from calculation of diluted net loss per share due to anti-dilutive effect were approximately 21,645,000 shares. Potential dilutive shares included from calculation of diluted earnings per share were approximately 1,588,000 shares for the three months ended June 30, 2023.

Earnings (Net Loss) Per Share

6 Months Ended

Jun. 30, 2023

3. Earnings (Net Loss) Per Share

Basic earnings (net loss) per share is calculated by dividing the net income (loss) by the weighted average number of common shares outstanding for the period. Diluted earnings (net loss) per share is computed by dividing the net income (loss) by the weighted average number of common shares and common stock equivalents outstanding for the period determined using the treasury stock method. For purposes of diluted earnings (net loss) per share calculation, equity awards, employee stock purchase plan rights, and warrants are considered to be common stock equivalents.

For the three and six months ended June 30, 2023, potentially dilutive shares excluded from calculation of diluted earnings (net loss) per share due to anti-dilutive effect were approximately 16,378,000 shares and 23,174,000 shares, respectively. For the three and six months ended June 30, 2022, potentially dilutive shares excluded from calculation of diluted net loss per share due to anti-dilutive effect were approximately 21,645,000 shares. Potential dilutive shares included from calculation of diluted earnings per share were approximately 1,588,000 shares for the three months ended June 30, 2023.