Note 7 - Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Long-term debt	$ 249,345	$ 256,251
Current portion of notes payable	1,993	1,720
Long term portion of notes payable	7,727	9,290
Convertible Notes [Member]
Current portion of notes payable	0	3,050
Long term portion of notes payable	214,325	210,371
Line Of Credit And Notes And Loans Payable Current Member
Long-term debt	27,293	33,540
Other Noncurrent Liabilities [Member]
Long-term debt	7,727	9,290
The 2025 Notes [Member]
Long-term debt	143,250	142,096
The 2023 Convertible Notes [Member]
Long-term debt	71,025	68,275
The 2033 Senior Notes [Member]
Long-term debt	50	3,050
J P Morgan Chase [Member]
Long-term debt	12,671	18,080
Chilean and Spanish Lines of Credit [Member]
Long-term debt	$ 12,629	$ 13,740