Note 9 - Derivatives and Hedging Activities - Effective Portion of the Gains and Losses on Derivative Instruments Designated (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
Gain (loss) recognized in other comprehensive income (loss), Effective portion, Net, Total | $ (431) | $ 183 | $ 158 |
Derivatives Designated as Cash Flow Hedging Instruments [Member] | |||
Gain (loss) recognized in other comprehensive income (loss), Effective portion, Net, Total | (431) | 183 | 158 |
Derivatives Designated as Cash Flow Hedging Instruments [Member] | Foreign Exchange Option Contracts [Member] | |||
Gain (loss) recognized in other comprehensive income (loss), Effective portion, Net, Total | (146) | 90 | 67 |
Derivatives Designated as Cash Flow Hedging Instruments [Member] | Foreign Exchange Forward Contracts [Member] | |||
Gain (loss) recognized in other comprehensive income (loss), Effective portion, Net, Total | $ (285) | $ 93 | $ 91 |