Note 10 - Net Loss Per Share Attributable to Common Stockholders (Tables)

3 Months Ended

Mar. 31, 2025

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended March 31,
	2025			2024
Net loss	$	(15,591	)	$	(24,417	)
Shares used to compute net loss per share – basic and diluted		227,923,636			168,811,095
Net loss per share – basic and diluted	$	(0.07	)	$	(0.14	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	Three Months Ended March 31,
	2025		2024
Options to purchase common stock		20,991,136		18,034,438
Restricted stock units to purchase common stock		3,096,583		1,977,053
Warrants to purchase common stock		10,914		211,259
Employee Stock Purchase Plan		456,056		471,638
Total potentially dilutive securities excluded from denominator of the diluted earnings per share computation		24,554,689		20,694,388