The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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Amount of the required periodic payments applied to interest.

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Nominal or face amount used to calculate payment on derivative.

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Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Note 11 - Derivatives (Details Textual) € in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2020 EUR (€)	Dec. 31, 2020 EUR (€)	Dec. 31, 2019 USD ($)	Dec. 31, 2017 EUR (€)
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	$ 1.8
Designated as Hedging Instrument [Member]
Derivative, Term of Contract (Year)	1 year	1 year
Foreign Exchange Forward [Member] \| Not Designated as Hedging Instrument [Member]
Derivative, Notional Amount	$ 57.3			$ 41.9
Foreign Exchange Forward [Member] \| Designated as Hedging Instrument [Member]
Derivative, Notional Amount	2.7			3.0
Foreign Exchange Option [Member] \| Designated as Hedging Instrument [Member]
Derivative, Notional Amount	$ 8.2			$ 9.8
Currency Swap [Member] \| Designated as Hedging Instrument [Member]
Derivative, Notional Amount \| €			€ 0		€ 159,600
Debt Instrument, Periodic Payment, Interest \| €		€ 9,600
Debt Instrument, Periodic Payment, Principal \| €		€ 150,000