Note 12 - Net Loss Per Share of Common Stock - Summary of Computation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Net loss	$ (76,322)	$ (39,151)
Net loss per share - basic and diluted (in dollars per share)	$ (2.10)	$ (1.95)
Weighted-average shares used to compute basic and diluted net loss per share (in shares)	36,372	20,070