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Note 16 - Related Party Transactions (Details Textual) - USD ($)
12 Months Ended
Aug. 16, 2023
Aug. 16, 2023
Aug. 09, 2023
Jun. 29, 2023
Dec. 31, 2023
Dec. 31, 2022
Sep. 30, 2016
Intrensic, LLC [Member]              
Business Acquisition, Percentage of Voting Interests Acquired     100.00%        
Payments to Acquire Businesses, Gross $ 554,000 $ 554,000 $ 553,588        
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares 1,250,000 1,250,000 1,250,000        
Executive Chairman [Member]              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)       2,068,966      
Proceeds from Issuance or Sale of Equity       $ 3,000,000      
Executive Chairman [Member] | Series A Preferred Stock [Member]              
Stock Issued During Period, Shares, New Issues (in shares)       3,000      
Mr. Elwood Norris [Member]              
Reimbursement of Expenses to Related Party, Monthly Amount         $ 1,500    
Consulting Fees to Related Party, Monthly Amount         7,500    
Related Party Transaction, Amounts of Transaction         108,000 $ 108,000  
Syzygy Licensing LLC [Member] | Related Party Technology License Agreement [Member]              
Royalty Payments, Percentage of Product Revenue             4.00%
Maximum Royalties to Be Paid Under Agreement             $ 1,000,000
Royalty Expense         $ 199,000 $ 274,000