Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Stock-based Compensation - Stock Option Outstanding (Details)

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Note 13 - Stock-based Compensation - Stock Option Outstanding (Details) - Equity Incentive Plan 2014 [Member]
$ / shares in Units, shares in Thousands, $ in Thousands
 9 Months Ended
Sep. 30, 2023
USD ($)
$ / shares
shares
Balance (in shares) | shares 270
Balance (in dollars per share) | $ / shares $ 37.96
Options forfeited (in shares) | shares 0
Options forfeited (in dollars per share) | $ / shares $ 0
Options cancelled (in shares) | shares (16)
Options cancelled (in dollars per share) | $ / shares $ 55.91
Balance (in shares) | shares 254
Balance (in dollars per share) | $ / shares $ 36.89
Balance as of September 30, 2023 (Year) 4 years 7 months 28 days
Balance as of September 30, 2023 | $ $ 0
Vested and expected to vest as of September 30, 2023 (in shares) | shares 254
Vested and expected to vest as of September 30, 2023 (in dollars per share) | $ / shares $ 36.89
Vested and expected to vest as of September 30, 2023 (Year) 4 years 7 months 28 days
Vested and expected to vest as of September 30, 2023 | $ $ 0
Exercisable as of September 30, 2023 (in shares) | shares 253
Exercisable as of September 30, 2023 (in dollars per share) | $ / shares $ 37.07
Exercisable as of September 30, 2023 (Year) 4 years 7 months 28 days
Exercisable as of September 30, 2023 | $ $ 0