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NOTE 8 - EARNINGS PER SHARE (In thousands, except per share data) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Earnings Per Share [Abstract]
Numerator for basic and diluted earnings (loss) per share: net income (loss)	$ (333)	$ (554)
Denominator for basic earnings (loss) per share: weighted average shares (in thousands)	8,420	8,219
Employee stock options and awards (in thousands)	251	56
Denominator for diluted earnings (loss) per share: adjusted weighted-average shares and assumed conversions of stock options (in thousands)	8,671	8,275
Total basic earnings (loss) per share	$ (0.04)	$ (0.07)
Total diluted earnings (loss) per share	$ (0.04)	$ (0.07)

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