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
 6 Months Ended
Jun. 30, 2025
USD ($)
$ / shares
shares
Balance (in shares) | shares 12
Balance (in dollars per share) | $ / shares $ 471.74
Options cancelled (in shares) | shares (1)
Options cancelled (in dollars per share) | $ / shares $ 2,253.34
Balance (in shares) | shares 11
Balance (in dollars per share) | $ / shares $ 345.57
Balance as of June 30, 2025 (Year) 3 years 3 months 10 days
Balance as of June 30, 2025 | $ $ 0
Vested and expected to vest as of June 30, 2025 (in shares) | shares 11
Vested and expected to vest as of June 30, 2025 (in dollars per share) | $ / shares $ 345.57
Vested and expected to vest as of June 30, 2025 (Year) 3 years 3 months 10 days
Vested and expected to vest as of June 30, 2025 | $ $ 0
Exercisable as of June 30, 2025 (in shares) | shares 11
Exercisable as of June 30, 2025 (in dollars per share) | $ / shares $ 345.46
Exercisable as of June 30, 2025 (Year) 3 years 3 months 10 days
Exercisable as of June 30, 2025 | $ $ 0