Note 4 - Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Operating lease expense	$ 290	$ 281	$ 586	$ 565
Financing lease expense	0	8	0	16
Short Term lease expense	10	3	22	6
Total lease expense	$ 300	292	$ 608	587
Weighted Average Remaining Lease Term (Years) - operating leases (Year)	4 years 8 months 15 days		4 years 8 months 15 days		5 years 7 months 24 days
Weighted Average Remaining Lease Term (Years) - financing leases (Year)					3 months 29 days
Weighted Average Discount Rate - operating leases	3.13%		3.13%		3.20%
Weighted Average Discount Rate - financing leases	0.00%		0.00%		5.00%
Operating cash flows from operating leases	$ 318	311
Operating cash flows from financing lease	0	1
Financing cash flows from financing lease	$ 0	$ 10	$ (0)	$ 10