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Note 14 - Subsequent Event (Details Textual) - shares
Sep. 04, 2024
Aug. 29, 2024
Jul. 31, 2024
Jan. 31, 2024
Sep. 28, 2023
Sep. 27, 2023
Common Stock, Shares, Outstanding (in shares)     1,406,000 1,406,000 1,405,779 13,788,738
Preferred Stock, Shares Outstanding (in shares)     1,683,000 1,683,000    
Subsequent Event [Member]            
Common Stock, Shares, Outstanding (in shares) 8,000,000          
Preferred Stock, Shares Outstanding (in shares) 0          
Subsequent Event [Member] | Conversion of Series A Preferred Stock Into Common Stock [Member]            
Conversion of Stock, Shares Issued (in shares) 6,600,000          
Subsequent Event [Member] | 9% Series A Cumulative Preferred Stock [Member]            
Preferred Stock, Dividend Rate, Percentage   9.00%        
Preferred Stock, Convertible, Shares Issuable (in shares)   3,900,000