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Note 2 - Notes Receivable (Details Textual) - USD ($)
Oct. 13, 2022
Oct. 31, 2022
Warrant [Member]    
Investment, Expiration Term (Year) 5 years  
Investment, Purchase Price, Percentage of Original Principal   50.00%
Securities Purchase Agreement [Member]    
Financing Receivable, after Allowance for Credit Loss, Total $ 1,875,000  
Note Receivable, Purchase Discount 20.00%  
Financing Receivable, Unamortized Purchase Premium (Discount) $ (375,000)  
Financing Receivable, Term (Month) 9 months  
Financing Receivable, Interest Rate, Stated Percentage 20.00%  
Investment Income, Amortization of Discount $ 250,000  
Note Receivable, Potential Investment Amount 2,000,000  
Note Receivable, Over Allotment Option $ 500,000