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Note K - Intangible Assets and Goodwill (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Amortization of Intangible Assets $ 81,237 $ 54,231 $ 298,113 $ 216,069
Research, Development, and Engineering Expense [Member]        
Amortization of Intangible Assets     $ 298,000 $ 216,000