Note 10 - Leases - Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Assets [Abstract]
Buildings and Equipment, Gross	$ 537,921		$ 537,131
Current liabilities:
Accounts payable and accrued liabilities	47,125		62,908
Long-term liabilities:
Liabilities, Noncurrent	137,137		163,597
Other	1,871		$ 1,789
Operating cash outflows from operating leases	$ 52	$ 52
Operating Lease, Weighted Average Remaining Lease Term (Year)	7 years 9 months 18 days	1 year 1 month 6 days
Operating Lease, Weighted Average Discount Rate, Percent	10.00%	6.00%
Financing cash outflows from finance leases	$ 1,238	$ (0)
Proceeds from sale and leaseback arrangement	$ 1,927	$ 0
Finance Lease, Weighted Average Remaining Lease Term (Year)	2 years 9 months 25 days
Finance Lease, Weighted Average Discount Rate, Percent	8.50%
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Buildings and Equipment, Gross		Buildings and Equipment, Gross
Operating Lease, Right-of-Use Asset	$ 675		$ 712
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accounts payable and accrued liabilities
Current operating lease liabilities	$ 52		58
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other
Non-current operating lease liabilities	$ 623		654
Operating Lease, Liability	675		712
Finance lease assets	16,178		12,346
Current finance lease liabilities	4,958		3,933
Non-current finance lease liabilities	9,701		8,157
Total finance lease liabilities	$ 14,659		$ 12,090