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Note 13 - Options (Details Textual) - USD ($)
1 Months Ended 9 Months Ended 12 Months Ended
Jun. 05, 2023
Jul. 22, 2022
Apr. 11, 2022
Apr. 02, 2022
Apr. 01, 2022
Mar. 30, 2022
Mar. 25, 2022
Dec. 08, 2021
May 25, 2021
Apr. 22, 2021
Jan. 27, 2021
Jan. 27, 2021
Jan. 04, 2021
Jan. 04, 2021
Jul. 31, 2023
Dec. 31, 2022
Mar. 31, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Aug. 27, 2022
Dec. 31, 2021
Sep. 03, 2021
Dec. 31, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)                               590,991   650,708   590,991   541,187   459,524
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)                                       137,597   257,975    
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)                                       $ 2.99   $ 4.36    
Share-Based Payment Arrangement, Noncash Expense                                       $ 862,079   $ 1,377,379    
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount                                   $ 995,525            
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period (in shares)                                       87,793   176,312    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)                                   0 0          
Nineteen Employees and Consultants [Member]                                                
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share) $ 3.66                                              
Three Employees [Member]                                                
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)                             $ 4.61                  
Share-Based Payment Arrangement, Option [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)                               590,991       590,991        
Option Indexed to Issuer's Equity, Strike Price (in dollars per share)                                       $ 4.53        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term (Year)                                       8 years 1 month 6 days        
Share-Based Payment Arrangement, Noncash Expense                                       $ 782,081   $ 543,332    
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount                               $ 1,203,511       $ 1,203,511        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period (in shares)                                       61,642   176,312    
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price (in dollars per share)                                       $ 5.87   $ 12.66    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period (in shares)                                       0   0    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)                                       0   0    
Share-Based Payment Arrangement, Option [Member] | Nineteen Employees and Consultants [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)         35,977                                      
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)         $ 2.75                                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate     406.00%   406.00%                                      
Call Option Value         $ 95,099                                      
Share-Based Payment Arrangement, Noncash Expense                                       $ 13,859        
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount                               70,420       70,420        
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) 10 years       10 years                                      
Share-Based Payment Arrangement, Option [Member] | Nineteen Employees and Consultants [Member] | Share-Based Payment Arrangement, Tranche One [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage 60.00%       60.00%                                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 3 years       3 years                                      
Share-Based Payment Arrangement, Option [Member] | Nineteen Employees and Consultants [Member] | Share-Based Payment Arrangement, Tranche Two [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage 20.00%       20.00%                                      
Share-Based Payment Arrangement, Option [Member] | Three Employees [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)           19,436                                    
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)           $ 2.75                                    
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate                                 407.00%              
Call Option Value                                 $ 51,380              
Share-Based Payment Arrangement, Noncash Expense                                 $ 7,096              
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount                               26,756       26,756        
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)           10 years                 10 years                  
Share-Based Payment Arrangement, Option [Member] | Three Employees [Member] | Share-Based Payment Arrangement, Tranche One [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage           60.00%                 60.00%                  
Share-Based Payment Arrangement, Option [Member] | Three Employees [Member] | Share-Based Payment Arrangement, Tranche Two [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage           20.00%                 20.00%                  
Stock Option1 [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate   137.00%                                            
Call Option Value   $ 87,346                                            
Share-Based Payment Arrangement, Noncash Expense                                       7,753        
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount                               79,593       79,593        
Stock Option1 [Member] | Mr. Creed [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)   24,151                                            
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)   $ 3.9                                            
Share-Based Goods and Nonemployee Services Transaction, Valuation Method, Risk Free Interest Rate   20.00%                                            
Stock Option2 [Member]                                                
Call Option Value     $ 71,423                                          
Share-Based Payment Arrangement, Noncash Expense                                       10,763        
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount                               $ 60,660       60,660        
Stock Option2 [Member] | Mr. Mueller [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)     24,151                                          
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)     $ 3.1                                          
Share-Based Goods and Nonemployee Services Transaction, Valuation Method, Risk Free Interest Rate     20.00%                                          
Stock Option4 [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)       27,500                                        
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)       $ 2.75                                        
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate       406.00%                                        
Call Option Value       $ 72,692                                        
Share-Based Payment Arrangement, Noncash Expense       $ 72,692                               $ 72,692        
Stock Option4 [Member] | Mr Burke [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Accelerated Vesting, Number (in shares)                               47,500                
Shares Issued, Price Per Share (in dollars per share)                               $ 4.87       $ 4.87        
Stock Option6 [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)             6,382                                  
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)             $ 2.35                                  
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate             406.00%                                  
Call Option Value             $ 14,413                                  
Share-Based Payment Arrangement, Noncash Expense             $ 2,220                                  
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount                               $ 12,193       $ 12,193        
Stock Option6 [Member] | Board of Directors Chairman [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)                     24,151                          
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)                     $ 6.25                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate                     198.00%                          
Call Option Value                     $ 149,239                          
Stock Option7 [Member]                                                
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)               $ 3                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate               199.00%                                
Call Option Value               $ 55,094                                
Share-Based Payment Arrangement, Noncash Expense                                       4,636   $ 693    
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount                               6,260       6,260        
Stock Option7 [Member] | Board of Directors Chairman [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)               18,531           75,000                    
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)                           $ 3.7                    
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate                           198.00%                    
Call Option Value                           $ 591,178                    
Stock Option8 [Member]                                                
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)                                         $ 6      
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate                                         193.00%      
Call Option Value                                         $ 70,693      
Share-Based Payment Arrangement, Noncash Expense                                       8,252   4,883    
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount                               21,679       21,679        
Stock Option8 [Member] | Board of Directors Chairman [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)                                         11,918      
Stock Option9 [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate                 191.00%                              
Call Option Value                 $ 29,562                              
Share-Based Payment Arrangement, Noncash Expense                                       5,912   3,564    
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount                               20,086       20,086        
Stock Option9 [Member] | Board of Directors Chairman [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)                 6,000                              
Stock Option10 [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)                   27,500                            
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)                   $ 5.5                            
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate                   193.00%                            
Call Option Value                   $ 149,547                            
Share-Based Payment Arrangement, Noncash Expense                                       128,733   20,814    
Stock Option11 [Member]                                                
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)                   $ 5.5                            
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate                   193.00%                            
Call Option Value                   $ 108,082                            
Share-Based Payment Arrangement, Noncash Expense                                       14,658   13,361    
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount                               47,638       47,638        
Stock Option11 [Member] | Board of Directors Chairman [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)                   19,875                            
Stock Option12 [Member]                                                
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)                       $ 6.25                        
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate                       198.00%                        
Call Option Value                       $ 149,239                        
Share-Based Payment Arrangement, Noncash Expense                                       29,848   22,815    
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount                               96,576       96,576        
Stock Option12 [Member] | Board of Directors Chairman [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)                       24,151                        
Stock Option13 [Member]                                                
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)                         $ 3.7                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate                         198.00%                      
Call Option Value                         $ 591,178                      
Share-Based Payment Arrangement, Noncash Expense                                       197,060   $ 194,900    
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount                               $ 199,218       $ 199,218        
Stock Option13 [Member] | Board of Directors Chairman [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)                         75,000                      
The 2020 Equity Plan [Member]                                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)                                             814,150