Note 3 - Prepaid Expenses and Other Current Assets - Schedule Of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015
Prepaid expenses		$ 2,871	$ 1,464
Government institutions & other receivables		369	507
Deferred charges (*)	[1]	256	474
Short-term deposits		122	136
Other		32	41
Total		$ 3,650	$ 2,622

[1] Deferred charges relate to lease incentive, see Note 6b.