Note 10 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Operating lease right-of-use assets	$ 2,060	$ 556
Operating leases (Year)	4 years 9 months 21 days	1 year 11 months 12 days
Finance leases (Year)	2 years 2 months 4 days	1 year 1 month 24 days
Operating leases	5.05%	3.97%
Finance leases	5.78%	3.54%
Other Current Liabilities [Member]
Current portion, operating leases	$ 581	$ 522
Current portion, finance leases	22	311
Other Noncurrent Liabilities [Member]
Operating lease obligations, net of current portion	1,650	333
Noncurrent obligations of finance leases	19	39
Other Current Liabilities and Other Noncurrent Liabilities [Member]
Total operating lease liabilities	2,231	855
Total finance lease liabilities	41	350
Property and Equipment [Member]
Property and equipment under finance lease, gross	979	1,908
Less accumulated amortization	937	1,537
Property and equipment under finance lease, net	42	371
Furniture and Equipment [Member]
Property and equipment under finance lease, gross	179	1,042
Computer Equipment [Member]
Property and equipment under finance lease, gross	593	659
Computer Software [Member]
Property and equipment under finance lease, gross	$ 207	$ 207