Note 8 - Share-based Compensation |
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Share-Based Payment Arrangement [Text Block] |
The share-based compensation expense is recorded in research and development, and selling, general and administrative expenses based on the employee's or non-employee’s respective function. No share-based compensation was capitalized during the periods presented. Share-based compensation expense for the three and six months ended June 30, 2025 and 2024 was recorded as follows (in thousands):
The following table summarizes the activity of stock options and related information:
Unrecognized share-based compensation for employee and nonemployee options granted through June 30, 2025 is $422,000 to be recognized over a remaining weighted average service period of 1.7 years.
Share-Based Compensation (RSUs)
The following summarizes the activity of non-vested RSUs:
RSUs vested and settled are converted into our common stock on a one-for-one basis. RSUs are generally subject to forfeiture if employment terminates prior to the release of vesting restrictions. The related compensation expense, which is based on the grant date fair value of our common stock multiplied by the number of units granted, is recognized ratably over the period during which the vesting restrictions lapse. Unrecognized share-based compensation for employee and nonemployee RSUs granted through June 30, 2025 was $0. |