Note 10 - Financial Expenses, Net - Summary of Financial Income and Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Interest on bank deposits	$ 520	$ 330	$ 188
Financial Income	520	330	188
Amortization of deferred charges related to loan			187
Bank charges	149	95	109
Foreign currency transactions loss, net	1,224	1,711	1,591
Other	32	47	15
Financial expenses	(1,405)	(1,853)	(1,902)
Total	$ (885)	$ (1,523)	$ (1,714)