Note 2 - Fair Value Measurments - Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Foreign Exchange Contract [Member] | Fair Value, Inputs, Level 2 [Member]
Forward foreign exchange contracts	$ 379
Forward foreign exchange contracts		$ (331)
Foreign Exchange Contract [Member]
Forward foreign exchange contracts	379
Forward foreign exchange contracts		(331)
Fair Value, Inputs, Level 2 [Member]
Total financial assets (liabilities)	379	(331)
Total financial assets (liabilities)	$ 379	$ (331)