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
 6 Months Ended
Jun. 30, 2024
USD ($)
$ / shares
shares
Balance (in shares) | shares 252
Balance (in dollars per share) | $ / shares $ 36.17
Options cancelled (in shares) | shares (60)
Options cancelled (in dollars per share) | $ / shares $ 49.74
Balance (in shares) | shares 192
Balance (in dollars per share) | $ / shares $ 31.95
Balance as of June 30, 2024 (Year) 3 years 10 months 28 days
Balance as of June 30, 2024 | $ $ 0
Vested and expected to vest as of June 30, 2024 (in shares) | shares 192
Vested and expected to vest as of June 30, 2024 (in dollars per share) | $ / shares $ 31.95
Vested and expected to vest as of June 30, 2024 (Year) 3 years 10 months 28 days
Vested and expected to vest as of June 30, 2024 | $ $ 0
Exercisable as of June 30, 2024 (in shares) | shares 192
Exercisable as of June 30, 2024 (in dollars per share) | $ / shares $ 31.96
Exercisable as of June 30, 2024 (Year) 3 years 10 months 28 days
Exercisable as of June 30, 2024 | $ $ 0