Note 11 - Net Loss Per Share Attributable to Common Stockholders (Tables)

6 Months Ended

Jun. 30, 2024

Notes Tables

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

	Three Months Ended June 30,						Six Months Ended June 30,
	2024			2023			2024			2023
Net loss	$	(16,466	)	$	(22,550	)	$	(40,883	)	$	(47,690	)
Shares used to compute net loss per share – basic and diluted		184,703,003			139,594,238			176,757,049			137,403,416
Net loss per share – basic and diluted	$	(0.09	)	$	(0.16	)	$	(0.23	)	$	(0.35	)

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Options to purchase common stock		21,705,187		18,469,856		19,869,813		16,452,951
Restricted stock units to purchase common stock		3,223,944		3,672,594		2,600,499		2,445,397
Warrants to purchase common stock		140,596		227,434		175,928		227,434
Employee Stock Purchase Plan		—		368,335		235,819		400,832
Total potentially dilutive securities excluded from denominator of the diluted earnings per share computation		25,069,727		22,738,219		22,882,059		19,526,614