Note 12 - Earnings Per Share - Schedule of Computation of Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Numerator:
Net loss	$ (10,744)	$ (9,524)
Plus: Net loss attributable to noncontrolling interest	1,236	1,379
Net loss attributable to common stockholders	$ (9,508)	$ (8,145)
Denominator
Basic weighted-average common shares	26,929	22,029
Diluted weighted-average common shares	26,929	22,029
Net loss per common share- basic and diluted	$ (0.35)	$ (0.37)