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

3 Months Ended

Mar. 31, 2024

Notes Tables

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

	Three Months Ended March 31,
	2024			2023
Net loss	$	(24,417	)	$	(25,140	)
Shares used to compute net loss per share – basic and diluted		168,811,095			135,213,196
Net loss per share – basic and diluted	$	(0.14	)	$	(0.19	)

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

	Three Months Ended March 31,
	2024		2023
Options to purchase common stock		18,034,438		14,436,046
Restricted stock units to purchase common stock		1,977,053		1,218,200
Warrants to purchase common stock		211,259		227,434
Employee Stock Purchase Plan		471,638		433,328
Total potentially dilutive securities excluded from denominator of the diluted earnings per share computation		20,694,388		16,315,008