Note 14 - Net Loss Per Share Attributable to Common Stockholders - Calculation of Basic and Diluted Net (Loss) Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Net loss	$ (82,465)	$ (107,758)
Shares used to compute net loss per share, basic and diluted (in shares)	144,819,781	127,683,813
Net loss per share attributable to common stockholders, basic and diluted (in dollars per share)	$ (0.57)	$ (0.84)