Note 9 - Share-based Compensation |
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Notes to Financial Statements | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Share-based Payment Arrangement [Text Block] | 9. Share-based Compensation Our Third Amended and Restated 2006 Stock Option and Incentive Plan allows for granting of incentive stock options, non-qualified stock options, stock appreciation rights, restricted stock units, unrestricted stock awards and deferred stock awards to our officers, employees, directors and consultants. The components of share-based compensation expense were as follows:
Stock-based compensation is included in our statements of operations as follows:
We did not three -month periods ended March 31, 2019 or 2018. We issued approximately 63,000 and 35,000 shares of common stock following the exercise or vesting of underlying stock options or restricted stock units during the three months ended March 31, 2019 and 2018, respectively. |