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Note 7 - Net Income Loss Per Share - Computation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net income (loss)	$ (5,395)	$ (2,568)
Weighted-average number of common shares—basic and diluted (in shares)	30,043,380	29,423,727
Net loss per share—basic and diluted (in dollars per share)	$ (0.18)	$ (0.09)

X

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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