Note 12 - Derivatives and Hedging Activities - Net (Gains) Losses Reclassified from Accumulated Other Comprehensive Loss (Details) - Derivatives Designated as Cash Flow Hedging Instruments [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Gain (loss) reclassified from accumulated OCI into income, Effective portion, Net, Total	$ (58)	$ (162)	$ (36)	$ (162)
Foreign Exchange Option Contracts [Member]
Gain (loss) reclassified from accumulated OCI into income, Effective portion, Net, Total	0	11	0	11
Foreign Exchange Forward Contracts [Member]
Gain (loss) reclassified from accumulated OCI into income, Effective portion, Net, Total	$ (58)	$ (173)	$ (36)	$ (173)