Note 5 - Loss Per Common Share	6 Months Ended
Jun. 30, 2020
Notes to Financial Statements
Earnings Per Share [Text Block]	Note 5. Loss Per Common Share We are authorized to issue 750,000,000 shares of common stock, $0.25 par value per share. At June 30, 2020, there were 534,660,072 shares of our common stock issued with 6,821,044 of these shares held in treasury, for a net of 527,839,028 shares outstanding. Basic and diluted loss per common share, after preferred dividends, was $(0.03) and $(0.10) for the three-month periods ended June 30, 2020 and 2019, respectively. Basic and diluted loss per common share, after preferred dividends, was $(0.06) and $(0.15) for the six-month periods ended June 30, 2020 and 2019, respectively. Diluted loss per share for the three and six months ended June 30, 2020 and 2019 excludes the potential effects of outstanding shares of our convertible preferred stock, as their conversion would have no effect on the calculation of dilutive shares. For the three-month and six-month periods ended June 30, 2020 and 2019, all restricted share units, deferred shares and warrants were excluded from the computation of diluted loss per share, as our reported loss for those periods would cause their conversion and exercise to have no effect on the calculation of loss per share.

Note 5 - Loss Per Common Share

6 Months Ended

Jun. 30, 2020

Note 5. Loss Per Common Share

We are authorized to issue 750,000,000 shares of common stock, $0.25 par value per share. At June 30, 2020, there were 534,660,072 shares of our common stock issued with 6,821,044 of these shares held in treasury, for a net of 527,839,028 shares outstanding. Basic and diluted loss per common share, after preferred dividends, was $(0.03) and $(0.10) for the three-month periods ended June 30, 2020 and 2019, respectively. Basic and diluted loss per common share, after preferred dividends, was $(0.06) and $(0.15) for the six-month periods ended June 30, 2020 and 2019, respectively.

Diluted loss per share for the three and six months ended June 30, 2020 and 2019 excludes the potential effects of outstanding shares of our convertible preferred stock, as their conversion would have no effect on the calculation of dilutive shares.

For the three-month and six-month periods ended June 30, 2020 and 2019, all restricted share units, deferred shares and warrants were excluded from the computation of diluted loss per share, as our reported loss for those periods would cause their conversion and exercise to have no effect on the calculation of loss per share.