Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Stock-based Compensation - Stock Option Outstanding (Details)

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Note 12 - Stock-based Compensation - Stock Option Outstanding (Details) - Equity Incentive Plan 2014 [Member]
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended
Mar. 31, 2024
USD ($)
$ / shares
shares
Balance (in shares) | shares 252
Balance (in dollars per share) | $ / shares $ 36.17
Options cancelled (in shares) | shares (55)
Options cancelled (in dollars per share) | $ / shares $ 37.54
Balance (in shares) | shares 197
Balance (in dollars per share) | $ / shares $ 37.79
Balance as of March 31, 2024 (Year) 4 years 3 months 3 days
Balance as of March 31, 2024 | $ $ 0
Vested and expected to vest as of March 31, 2024 (in shares) | shares 197
Vested and expected to vest as of March 31, 2024 (in dollars per share) | $ / shares $ 37.79
Vested and expected to vest as of March 31, 2024 (Year) 4 years 3 months 3 days
Vested and expected to vest as of March 31, 2024 | $ $ 0
Exercisable as of March 31, 2024 (in shares) | shares 196
Exercisable as of March 31, 2024 (in dollars per share) | $ / shares $ 37.8
Exercisable as of March 31, 2024 (Year) 4 years 3 months 3 days
Exercisable as of March 31, 2024 | $ $ 0