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Note R - Equity - Valuation Assumptions for Warrants (Details) - Referral Fee Warrants [Member]
Dec. 31, 2021
Dec. 31, 2020
Measurement Input, Risk Free Interest Rate [Member]    
Warrant measurement input 0 0.0033
Measurement Input, Share Price [Member]    
Warrant measurement input 0 9.25
Measurement Input, Expected Term [Member]    
Warrant measurement input 0 5
Measurement Input, Price Volatility [Member]    
Warrant measurement input 0 1.10