Note 12 - Earnings Per Share	9 Months Ended
Sep. 30, 2022
Notes to Financial Statements
Earnings Per Share [Text Block]	*12.* EARNINGS PER SHARE Basic earnings per share is based on the weighted average number of common shares and participating securities outstanding during the period. Diluted earnings per share include the dilutive effect of additional potential common shares issuable under our stock-based compensation plans and are determined using the treasury stock method. Our unvested restricted shares, which contain non-forfeitable rights to dividends whether paid or accrued (i.e., participating securities), are included in the number of shares outstanding for both basic and diluted earnings per share calculations. In the event of a net loss, our unvested restricted shares are excluded from the calculation of both basic and diluted earnings per share. Approximately 319,000 unvested restricted shares were included in determining both basic and diluted earnings per share for the three and nine months ended September 30, 2022. In addition, stock options for approximately 1,000 shares of common stock were included in determining diluted earnings per share for the three and nine months ended September 30, 2022. Stock options for approximately 5,000 shares of common stock were antidilutive and not included in determining diluted earnings per share for the three and nine months ended September 30, 2022. Approximately 260,000 unvested restricted shares were included in determining both basic and diluted earnings per share for the three and nine months ended September 30, 2021. In addition, stock options for approximately 3,000 shares of common stock were included in determining diluted earnings per share for the three and nine months ended September 30, 2021. Stock options for approximately 7,000 shares of common stock were antidilutive and not included in determining diluted earnings per share for the three and nine months ended September 30, 2021.

Note 12 - Earnings Per Share

9 Months Ended

Sep. 30, 2022

12. EARNINGS PER SHARE

Basic earnings per share is based on the weighted average number of common shares and participating securities outstanding during the period. Diluted earnings per share include the dilutive effect of additional potential common shares issuable under our stock-based compensation plans and are determined using the treasury stock method. Our unvested restricted shares, which contain non-forfeitable rights to dividends whether paid or accrued (i.e., participating securities), are included in the number of shares outstanding for both basic and diluted earnings per share calculations. In the event of a net loss, our unvested restricted shares are excluded from the calculation of both basic and diluted earnings per share.

Approximately 319,000 unvested restricted shares were included in determining both basic and diluted earnings per share for the three and nine months ended September 30, 2022. In addition, stock options for approximately 1,000 shares of common stock were included in determining diluted earnings per share for the three and nine months ended September 30, 2022. Stock options for approximately 5,000 shares of common stock were antidilutive and not included in determining diluted earnings per share for the three and nine months ended September 30, 2022.

Approximately 260,000 unvested restricted shares were included in determining both basic and diluted earnings per share for the three and nine months ended September 30, 2021. In addition, stock options for approximately 3,000 shares of common stock were included in determining diluted earnings per share for the three and nine months ended September 30, 2021. Stock options for approximately 7,000 shares of common stock were antidilutive and not included in determining diluted earnings per share for the three and nine months ended September 30, 2021.