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Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Revenue from Contract with Customer, Including Assessed Tax $ 607,508 $ 448,430 $ 1,710,231 $ 1,265,509  
Contract with Customer, Liability, Revenue Recognized 83,113   126,784    
Contract with Customer, Liability, Current 12,790   12,790   $ 123,451
Service [Member]          
Revenue from Contract with Customer, Including Assessed Tax $ 0 $ 0 $ 0 $ 3,840  
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer A [Member]          
Concentration Risk, Percentage     15.00%   29.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer B [Member]          
Concentration Risk, Percentage     25.00%   22.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer C [Member]          
Concentration Risk, Percentage     18.00%   16.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer D [Member]          
Concentration Risk, Percentage     28.00%    
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer F [Member]          
Concentration Risk, Percentage     10.00%    
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer E [Member]          
Concentration Risk, Percentage         17.00%