NOTE 9 - SHARE-BASED COMPENSATION (Details) (in thousands, except per share data) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Total share-based compensation	$ 364	$ 473	$ 651	$ 650
Cost of Goods Sold
Total share-based compensation	10	11	16	15
Research and Development
Total share-based compensation	103	107	166	149
Selling, general and administrative
Total share-based compensation	$ 251	$ 355	$ 469	$ 486