Note 7 - Leases - Operating Lease Expenses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Operating lease cost	$ 1,553	$ 1,553	$ 3,107	$ 3,063
Short-term lease cost	7	10	19	31
Variable lease cost	381	431	885	942
Sublease income	(20)	0	(34)	0
Total lease cost	$ 1,921	$ 1,994	$ 3,977	$ 4,036

Amount of lease cost recognized by lessee for lease contract.

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-Section 55
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- Definition

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.

+ References

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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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- Definition

Amount of sublease income excluding finance and operating lease expense.

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- Definition

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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