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Note J - Leases - Maturities of lease Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
2022 (excluding the three months ended June 30, 2022), finance leases $ 4  
2022 (excluding the three months ended March 31, 2021), operating leases 279  
2023, finance leases 6  
2023, operating leases 563  
2024, finance leases 0  
2024, operating leases 488  
2025, finance leases 0  
2025, operating leases 390  
2026, finance leases 0  
2026, operating leases 30  
Total lease payments, finance leases 10  
Total lease payments, operating leases 1,750  
Less: future interest expense, finance leases 0  
Less: future interest expense, operating leases (199)  
Lease liabilities, finance leases 10 $ 21
Lease liabilities, operating leases $ 1,551 $ 1,588