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Note 12 - Stock-based Compensation and Other Benefit Plans | 3 Months Ended
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Mar. 31, 2024
Notes to Financial Statements |
Share-Based Payment Arrangement [Text Block] | 12. STOCK-BASED COMPENSATION AND OTHER BENEFIT PLANS Stock options and performance shares Stock options have an exercise price that may not be less than the fair market value of the underlying shares on the date of grant. In general, stock options granted to participants will become exercisable over a period determined by the Compensation Committee of the Company’s board of directors that is generally a three-year period, vesting in three equal parts on the anniversaries from the date of grant, and may contain performance hurdles. The Company used the Monte Carlo simulation to calculate the grant date fair value of performance stock option awards. The fair value of these awards will be amortized to expense over the derived service period of the option. For options that do not contain a market or performance condition, the Company uses the Black-Scholes model to calculate the grant date fair value of stock option awards. This fair value is then amortized to expense over the service period of the option. During the three months ended March 31, 2024 and 2023, no stock options were granted. Restricted shares Restricted stock granted to employees will vest over a period determined by the Compensation Committee that is generally a three-year period, vesting in three equal parts on the anniversaries following the date of the grant. Restricted stock granted to directors will vest on the earlier of (i) the first anniversary of the date of grant and (ii) the first annual meeting of stockholders following the date of grant (but not less than fifty (50) weeks following the date of grant). The vesting of the restricted stock is dependent upon, among other things, the employees’ and directors’ continued service with the Company. During the three months ended March 31, 2024 and 2023, no restricted shares were granted.

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