Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Subsequent Events (Details Textual)

v3.23.2
Note 13 - Subsequent Events (Details Textual) - USD ($)
 3 Months Ended 6 Months Ended
Aug. 09, 2023
Aug. 02, 2023
Jun. 30, 2023
Jun. 30, 2023
Jun. 30, 2022
Mar. 17, 2023
Proceeds from Issuance of Common Stock       $ 56,266 $ 0  
Gray Matters [Member]            
Disposal Group, Including Discontinued Operation, Percentage of Equity Sold           75.10%
Subsequent Event [Member]            
Equity Method Investment, Realized Gain (Loss) on Disposal $ 382,525          
Investment Owned, Net Assets, Percentage 0.00%          
Subsequent Event [Member] | GMDC [Member]            
Proceeds from Sale of Equity Method Investments $ 1,400,000          
Subsequent Event [Member] | GMI Subsidiary [Member]            
Proceeds From Setllement of Contingent Consideration Receivable 1,000,000          
Common Stock Purchase Agreement [Member]            
Stock Issued During Period, Shares, New Issues (in shares)     0      
Common Stock Purchase Agreement [Member] | Subsequent Event [Member]            
Stock Issued During Period, Shares, New Issues (in shares)   200,000        
Shares Issued, Price Per Share (in dollars per share)   $ 0.59        
Shares Issued, Fees Per Share (in dollars per share)   $ 0.03        
Proceeds from Issuance of Common Stock   $ 118,655        
Common Stock [Member] | Subsequent Event [Member] | GMDC [Member]            
Proceeds from Sale of Equity Method Investments $ 400,000