NOTE 8 - EARNINGS PER SHARE (In thousands, except per share data) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Earnings Per Share [Abstract]
Numerator for basic and diluted earnings per share: Net income (loss)	$ 342	$ 1,728	$ 958	$ 3,913
Denominator for basic earnings per share: weighted average shares	8,439	8,201	8,361	8,112
Employee stock options and awards	68	266	155	288
Denominator for diluted earnings per share: adjusted weighted-average shares and assumed conversions of stock options	8,507	8,467	8,516	8,400
Total basic earnings per share	$ 0.04	$ 0.21	$ 0.11	$ 0.48
Total diluted earnings per share	$ 0.04	$ 0.20	$ 0.11	$ 0.47