Note 11 - Net Loss Per Share Attributable to Common Stockholders - Summary of Antidilutive Securities (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Potentially dilutive securities excluded from denominator of the diluted earnings per share computation (in shares)	13,700,116	27,566,272	32,177,304	26,060,481
Share-Based Payment Arrangement, Option [Member]
Potentially dilutive securities excluded from denominator of the diluted earnings per share computation (in shares)	6,765,767	20,991,136	25,531,979	20,991,136
Restricted Stock Units (RSUs) [Member]
Potentially dilutive securities excluded from denominator of the diluted earnings per share computation (in shares)	6,677,734	6,123,628	6,201,722	4,610,106
Warrant [Member] \| Common Stock [Member]
Potentially dilutive securities excluded from denominator of the diluted earnings per share computation (in shares)	10,914	10,914	10,914	10,914
Employee Stock Purchase Plan [Member]
Potentially dilutive securities excluded from denominator of the diluted earnings per share computation (in shares)	245,701	440,594	432,689	448,325