Note 8 - Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Operating lease expense	$ 181	$ 181
Short term lease expense	21	21
Variable lease expense	32	22
Total operating lease cost	234	224
Amortization of right-of-use assets	30	31
Interest on lease liabilities	86	91
Total finance lease cost	116	122
Operating cash flows used in operating leases	169	164
Operating cash flows used in finance leases	86	91
Financing cash flows used in finance leases	$ 8	$ 83

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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Amount of amortization expense attributable to right-of-use asset from finance lease.

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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 operating lease expense. Excludes sublease income.

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

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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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