Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Stock-based Compensation - Stock Option Transactions (Details)

v3.23.1
Note 11 - Stock-based Compensation - Stock Option Transactions (Details) - $ / shares
shares in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Outstanding, options (in shares) 16,503 15,112
Outstanding, weighted average exercise price (in dollars per share) $ 3.48 $ 4.61
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) 3,220 3,870
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 0.56 $ 1.34
Exercised, options (in shares) 0 (14)
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price $ 0 $ 1.08
Forfeited, options (in shares) (884) (349)
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price $ 1.20 $ 4.77
Outstanding, options (in shares) 18,839 18,619
Outstanding, weighted average exercise price (in dollars per share) $ 3.11 $ 3.97
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 7 years 3 days 7 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number 11,002 10,736
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price $ 4.17 $ 4.68
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 5 years 6 months 14 days 5 years 6 months
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number 17,426 17,344
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price $ 3.22 $ 4.03
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term 6 years 10 months 2 days 6 years 10 months 24 days