Note 4 - Basic and Diluted Net Income (Loss) Per Share |
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Earnings Per Share [Text Block] |
4. Basic and Diluted Net Income (Loss) Per Share
Basic net income (loss) per share is computed by dividing net income (loss) by the weighted average number of common shares outstanding during the period. Diluted net income (loss) per share is computed by dividing net income (or loss) by the weighted average number of common and dilutive common equivalent shares outstanding during the period when the effect is dilutive. The number of dilutive common equivalent shares outstanding during the period was determined in accordance with the treasury-stock method. Common equivalent shares consisted of common stock issuable upon the exercise of outstanding options and common stock issuable upon the vesting of outstanding, unvested SUAs. Basic and diluted weighted average common shares outstanding for the three and nine months ended September 30, 2021, and 2020 were as follows (in thousands):
The computation of diluted earnings (loss) per share for the three and nine months ended September 30, 2021, and 2020 excludes the effect of the potential exercise of stock awards, including stock options, when the effect is anti-dilutive. For the three and nine months ended September 30, 2021, the number of antidilutive stock awards excluded from diluted earnings per share were 545 thousand and 547 thousand, respectively.
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