Note 4 - Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Operating lease expense	$ 318	$ 287	$ 1,028	$ 849
Financing lease expense	0	8	0	24
Short Term lease expense	41	3	62	9
Total lease expense	$ 359	$ 298	$ 1,090	$ 882
Weighted Average Remaining Lease Term (Years) - operating leases (Year)	4 years 4 months 17 days	5 years 3 months 29 days	4 years 4 months 17 days	5 years 3 months 29 days
Weighted Average Remaining Lease Term (Years) - financing leases (Year)		29 days		29 days
Weighted Average Discount Rate - operating leases	3.12%	3.28%	3.12%	3.28%
Weighted Average Discount Rate - financing leases	0.00%	5.00%	0.00%	5.00%
Operating cash flows from operating leases			$ 964	$ 934
Operating cash flows from financing lease			0	3
Financing cash flows from financing lease			$ (0)	$ 15

Amount of interest expense on finance lease liability.

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Amount of interest paid on finance lease liability.

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Amount of cash outflow for principal payment on finance lease.

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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of lease cost recognized by lessee for lease contract.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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