Note 11 - Net Loss Per Share - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net loss attributable to common stockholders	$ (6,281)	$ (4,786)
Weighted average common shares outstanding used to compute net loss per share, basic and diluted (in shares)	126,624	126,624
Net loss per share of common stock, basic and diluted (in dollars per share)	$ (0.05)	$ (0.04)