Note 9 - Derivative Instruments and Hedging Activities (Details Textual) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Foreign Exchange Forward [Member]
Derivative, Notional Amount	$ 14.9	$ 25.7
The 2021 Swaps One [Member]
Derivative, Notional Amount		$ 30.0
Derivative, Fixed Interest Rate	1.334%	1.3055%	1.3055%
The 2021 Swaps Two [Member]
Derivative, Notional Amount		$ 30.0
Derivative, Fixed Interest Rate	1.348%	1.318%	1.318%
The 2021 Swaps [Member]
Derivative, Notional Amount			$ 60.0
The 2021 Swaps [Member] | Secured Overnight Financing Rate (SOFR) [Member]
Derivative, Basis Spread on Variable Rate	0.10%