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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 6 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Earnings Per Share [Abstract]            
Numerator for basic and diluted earnings per share: Net income (loss) $ (1,057) $ (554) $ 127 $ 26 $ (1,611) $ 153
Denominator for basic earnings per share: weighted average shares (in thousands) 8,302   8,257   8,261 8,280
Employee stock options and awards (in thousands) 46   75   51 95
Denominator for diluted earnings per share: adjusted weighted-average shares and assumed conversions of stock options (in thousands) 8,348   8,332   8,312 8,375
Total basic earnings (loss) per share $ (0.13)   $ 0.02   $ (0.19) $ 0.02
Total diluted earnings (loss) per share $ (0.13)   $ 0.02   $ (0.19) $ 0.02