Note 13 - Derivative Instruments and Hedging Activities (Details Textual) - USD ($) $ in Millions	Dec. 31, 2023	Jan. 31, 2023	Jan. 01, 2023	Dec. 31, 2022
Foreign Exchange Forward [Member]
Derivative, Notional Amount	$ 25.8			$ 25.7
The 2021 Swaps One [Member]
Derivative, Notional Amount	$ 30.0
Derivative, Fixed Interest Rate	1.3055%	1.334%	1.334%
The 2021 Swaps One [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Derivative, Basis Spread on Variable Rate		0.10%
The 2021 Swaps Two [Member]
Derivative, Notional Amount	$ 30.0
Derivative, Fixed Interest Rate	1.318%	1.348%	1.348%