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
 6 Months Ended
Jun. 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 (9)
Options cancelled (in dollars per share) | $ / shares $ 77.08
Balance (in shares) | shares 261
Balance (in dollars per share) | $ / shares $ 36.65
Balance as of June 30, 2023 (Year) 4 years 9 months 14 days
Balance as of June 30, 2023 | $ $ 0
Vested and expected to vest at June 30, 2023 (in shares) | shares 261
Vested and expected to vest at June 30, 2023 (in dollars per share) | $ / shares $ 36.65
Vested and expected to vest at June 30, 2023 (Year) 4 years 9 months 14 days
Vested and expected to vest at June 30, 2023 | $ $ 0
Exercisable as of June 30, 2023 (in shares) | shares 257
Exercisable as of June 30, 2023 (in dollars per share) | $ / shares $ 37.06
Exercisable as of June 30, 2023 (Year) 4 years 9 months 7 days
Exercisable as of June 30, 2023 | $ $ 0