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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, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Cash Equivalents, at Carrying Value         $ 0 $ 0
Cash, Uninsured Amount $ 1,745,520   $ 1,745,520     2,813,000
Depreciation 72,190 $ 69,127 306,092 $ 223,887 299,553 208,448
Depreciation, Depletion and Amortization, Nonproduction $ 72,190 $ 69,127 $ 227,606 $ 202,046 274,053 208,448
Impairment of Intangible Assets, Finite-Lived         310,173 0
Asset Impairment Charges         4,887,297 1,524,030
Share-Based Payment Arrangement, Noncash Expense         862,079 1,377,379
Amortization of Warrants         925,839  
Share-Based Payment Arrangement, Option [Member]            
Share-Based Payment Arrangement, Noncash Expense         $ 782,081 543,332
Share-Based Payment Arrangement, Option [Member] | Minimum [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year)     6 years   6 years  
Share-Based Payment Arrangement, Option [Member] | Maximum [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year)     6 years 6 months   6 years 6 months  
Stock Issued for Services [Member]            
Share-Based Payment Arrangement, Noncash Expense         $ 79,998 834,047
Amortization of Fair Values of Options [Member]            
Share-Based Payment Arrangement, Noncash Expense         782,081 $ 543,332
Inventories [Member]            
Depreciation, Depletion and Amortization, Nonproduction         $ 25,500