Note 10 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Operating lease right-of-use assets	$ 1,627	$ 2,060
Property and equipment under finance lease, gross	$ 179	$ 979
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other current liabilities	Other current liabilities
Current operating lease liabilities	$ 550	$ 581
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other long-term liabilities	Other long-term liabilities
Noncurrent operating lease liabilities	$ 1,156	$ 1,650
Less accumulated amortization	161	937
Total operating lease liabilities	1,706	2,231
Property and equipment under finance lease, net	$ 18	$ 42
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other current liabilities	Other current liabilities
Current obligations of finance leases	$ 10	$ 22
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other long-term liabilities	Other long-term liabilities
Noncurrent obligations of finance leases	$ 9	$ 19
Total finance lease liabilities	$ 19	$ 41
Operating leases (Year)	4 years 2 months 8 days	4 years 9 months 21 days
Finance leases (Year)	1 year 11 months 1 day	2 years 2 months 4 days
Operating leases	5.26%	5.05%
Finance leases	6.40%	5.78%
Furniture and Equipment Held under Finance Leases [Member]
Property and equipment under finance lease, gross	$ 179	$ 179
Computer Equipment Held under Finance Leases [Member]
Property and equipment under finance lease, gross	0	593
Computer Software Held under Finance Leases [Member]
Property and equipment under finance lease, gross	$ 0	$ 207