Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Subsequent Events (Details Textual)

v3.23.1
Note 13 - Subsequent Events (Details Textual) - USD ($)
3 Months Ended
Apr. 10, 2023
Mar. 31, 2023
Share-Based Payment Arrangement, Option [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross   0
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price   $ 0
Subsequent Event [Member] | Chief Business Officer [Member]    
Stock Issued During Period, Shares, New Issues 468,750  
Stock Issued During Period, Value, New Issues $ 750,000  
Shares Issued, Price Per Share $ 1.60  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross 140,000  
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 1.57  
Subsequent Event [Member] | Chief Business Officer [Member] | Share-Based Payment Arrangement, Option [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) 10 years  
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 4 years  
Subsequent Event [Member] | Chief Business Officer [Member] | Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Tranche One [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 1 year  
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage 25.00%  
Subsequent Event [Member] | Chief Business Officer [Member] | Share-Based Payment Arrangement, Option [Member] | Remaining Tranches [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 3 years