Note 1 - General (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	Year ended December 31,
Major Customers/ Distributors	201 8		2017		2016
VTech Holdings Ltd.		24%		27%		29%
Nexty Electronics Ltd. (“Nexty Electronics”) ¹ ²		11%		12%		12%
Ascend Technology Inc. (“Ascend Technology”) ¹ ³		26%		23%		16%
Samsung Electronics Ltd.		*		*		12%