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, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Numerator for basic and diluted earnings per share: Net income (loss)	$ 486	$ 1,206	$ 616	$ 2,185
Denominator for basic earnings per share: weighted average shares	8,356	8,104	8,321	8,067
Employee stock options and awards	144	304	200	300
Denominator for diluted earnings per share: adjusted weighted-average shares and assumed conversions of stock options	8,500	8,408	8,521	8,367
Total basic earnings (loss) per share	$ 0.06	$ 0.15	$ 0.07	$ 0.27
Total diluted earnings (loss) per share	$ 0.06	$ 0.14	$ 0.07	$ 0.26