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Note P - Leases - Operating Lease Balance Sheet Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Operating lease cost $ 255,892 $ 239,192
Total lease cost 255,892 239,192
Operating lease right-of-use assets 254,100 487,325
Operating lease liabilities, current portion 177,188 234,309
Operating lease liabilities, non-current portion 86,974 264,163
Total operating lease liabilities $ 264,162 $ 498,472
Weighted average remaining lease term (in years) – operating leases (Year) 1 year 5 months 12 days 2 years 3 months 3 days
Weighted average discount rate – operating leases 5.50% 5.50%
Cash paid for amounts included in the measurement of operating lease liabilities $ 256,977 $ 235,186
2022 187,594  
2023 89,225  
Total future lease payments 276,819  
Less: imputed interest (12,657)  
Total $ 264,162 $ 498,472