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Note 16 - Subsequent Events (Details Textual) - USD ($)
Jan. 03, 2023
Jan. 03, 2022
Management [Member]    
Stock Issued During Period, Shares, Issued for Services (in shares)   48,341
Subsequent Event [Member] | Board of Directors Chairman [Member]    
Stock Issued During Period, Shares, Issued for Services (in shares) 18,719  
Stock Issued During Period, Value, Issued for Services $ 110,250  
Subsequent Event [Member] | Management [Member]    
Stock Issued During Period, Shares, Issued for Services (in shares) 1,266,643  
Stock Issued During Period, Value, Issued for Services $ 674,164