Note 12 - Net Loss Per Share - Computation of Net Income(Loss) Allocated to Common Shareholders (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net loss	$ (10,134)	$ (1,032)
Less loss allocated to RSUs	61	11
Net loss allocated to common shareholders	$ (10,073)	$ (1,021)