Note 7 - Derivative Instruments (Tables)

9 Months Ended

Sep. 30, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

		Fair Value of Derivative Instruments
	Balance Sheet Location	September 30, 2015			December 31, 2014
Derivative Assets (Liabilities)
Foreign exchange forward and options contracts	Accrued expenses and other accounts payable (*)	$	(75	)	$	(618	)
	Other accounts receivable and prepaid expenses		-			-
		$	(75	)	$	(618	)

Derivative Instruments, Gain (Loss) [Table Text Block]

	Losses on Derivatives Recognized in OCI
	for the three months ended September 30,						for the nine months ended September 30,
	2015			2014			2015			2014
Foreign exchange forward and option contracts	$	(240	)	$	(528	)	$	(77	)	$	(516	)

	Gains (Losses) Reclassified from OCI into Income
		for the three months ended September 30					for the nine months ended September 30,
	Location	2015		2014			2015			2014
Foreign exchange forward and option contracts	Operating expenses	$	4	$	(97	)	$	(620	)	$	(92	)