Note 11 - Net Loss Per Share - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net loss attributable to common shareholders	$ (8,011)	$ (5,197)	$ (19,469)	$ (15,774)
Weighted average common shares outstanding used to compute net loss per share, basic and diluted (in shares)	126,624	126,538	126,624	113,690
Net loss per share of common stock, basic and diluted (in dollars per share)	$ (0.06)	$ (0.04)	$ (0.15)	$ (0.14)