Note 9 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other noncurrent assets	Other noncurrent assets
Property and equipment under finance lease, gross	$ 47	$ 179
Operating ROU assets	$ 1,157	$ 1,627
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other current liabilities	Other current liabilities
Less accumulated amortization	$ 38	$ 161
Current operating lease liabilities	451	550
Property and equipment under finance lease, net	$ 9	$ 18
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other long-term liabilities	Other long-term liabilities
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Other current liabilities	Other current liabilities
Noncurrent operating lease liabilities	$ 744	$ 1,156
Current obligations of finance leases	10	10
Total operating lease liabilities	1,195	1,706
Noncurrent obligations of finance leases	0	9
Total finance lease liabilities	$ 10	$ 19
Noncurrent obligations of finance leases (Year)	3 years 10 months 24 days	4 years 2 months 8 days
Total finance lease liabilities (Year)	11 months 1 day	1 year 11 months 1 day
Operating leases	5.58%	5.26%
Operating leases	6.40%	6.40%
Furniture and Equipment Held under Finance Leases [Member]
Property and equipment under finance lease, gross	$ 47	$ 179