Note K - Leases - Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
2024 (excluding the three months ended March 31, 2024), finance leases	$ 0
2024 (excluding the three months ended March 31, 2024), operating leases	167
2025, finance leases	0
2025, operating leases	536
2026, finance leases	0
2026, operating leases	146
2027, finance leases	0
2027, operating leases	136
2028, finance leases	0
2028, operating leases	161
Thereafter, finance leases	0
Thereafter, operating leases	49
Total lease payments, finance leases	0
Total lease payments, operating leases	1,195
Less: future interest expense, finance leases	0
Less: future interest expense, operating leases	(172)
Lease liabilities, finance leases	0	$ 0
Lease liabilities, operating leases	$ 1,023	$ 999