Quarterly report [Sections 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, 2025
USD ($)
$ / shares
shares
Balance (in shares) | shares 183
Balance (in dollars per share) | $ / shares $ 31.53
Options cancelled (in shares) | shares (2)
Options cancelled (in dollars per share) | $ / shares $ 145.95
Balance (in shares) | shares 181
Balance (in dollars per share) | $ / shares $ 30.14
Balance as of March 31, 2025 (Year) 3 years 4 months 17 days
Balance as of March 31, 2025 | $ $ 0
Vested and expected to vest as of March 31, 2025 (in shares) | shares 181
Vested and expected to vest as of March 31, 2025 (in dollars per share) | $ / shares $ 30.14
Vested and expected to vest as of March 31, 2025 (Year) 3 years 4 months 17 days
Vested and expected to vest as of March 31, 2025 | $ $ 0
Exercisable as of March 31, 2025 (in shares) | shares 181
Exercisable as of March 31, 2025 (in dollars per share) | $ / shares $ 30.15
Exercisable as of March 31, 2025 (Year) 3 years 4 months 17 days
Exercisable as of March 31, 2025 | $ $ 0