Note D - Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating lease expense	$ 1,282	$ 1,146
Financing lease expense	0	27
Short Term lease expense	112	22
Total lease expense	$ 1,394	$ 1,195
Weighted Average Remaining Lease Term (Years) - operating leases (Year)	10 years 9 months 21 days	5 years 1 month 6 days
Weighted Average Discount Rate - operating leases	3.11%	3.30%
Operating cash flows from operating leases	$ 1,286	$ 1,250
Operating cash flows from financing lease	0	2
Financing cash flows from financing lease	0	63	$ 19
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 5,934	$ 0