Note 13 - Equity Incentive Plan - Stock Options (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2025	Dec. 31, 2024
Outstanding, shares (in shares)	2,089,040
Outstanding, Weighted Average Exercise (in dollars per share)	$ 32.07
Outstanding, aggregate intrinsic value	$ 0	$ 0
Granted, shares (in shares)	11,300
Granted, Weighted Average Exercise Price (in dollars per share)	$ 13.99
Exercised, shares (in shares)	0
Exercised, Weighted Average Exercise Price (in dollars per share)	$ 0
Exercised, Aggregate Intrinsic Value	$ 0
Forfeited and canceled, shares (in shares)	(272,468)
Forfeited and canceled (in dollars per share)	$ 34.03
Forfeited and canceled, aggregate intrinsic value	$ 0
Outstanding, shares (in shares)	1,827,872
Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 31.65
Outstanding, Weighted Average Remaining Contractual Term (Year)	6 years 7 months 6 days
Vested, shares (in shares)	1,394,669
Vested, Weighted Average Exercise Price (in dollars per share)	$ 32.93
Vested, Weighted Average Remaining Contractual Term (Year)	6 years
Vested and expected to vest, shares (in shares)	1,827,872
Vested and expected to vest, Weighted Average Exercise Price (in dollars per share)	$ 31.65
Vested and expected to vest, Weighted Average Remaining Contractual Term (Year)	6 years 7 months 6 days