Note 8 - Fair Value of Financial Instruments (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	$ 0
Cross Currency Interest Rate Contract [Member]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	464	$ 817	$ 1,095
Cross Currency Interest Rate Contract [Member] | Prepaid Expenses and Other and Deposits and Other [Member]
Derivatives, Cash Collateral Deposits	$ 0