Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Subsequent Events (Details Textual)

v3.22.2.2
Note 12 - Subsequent Events (Details Textual) - USD ($)
 1 Months Ended 6 Months Ended
Aug. 31, 2022
Mar. 31, 2021
Jun. 30, 2022
Jun. 30, 2021
Jul. 08, 2022
Dec. 31, 2021
Common Stock, Par or Stated Value Per Share (in dollars per share)     $ 0.001     $ 0.001
Proceeds from Issuance of Common Stock     $ 0 $ 494,554    
Private Placement [Member]            
Stock Issued During Period, Shares, New Issues (in shares)   330,666        
Private Placement [Member] | Forecast [Member]            
Stock Issued During Period, Shares, New Issues (in shares) 1,562,506          
Shares Issued, Price Per Share (in dollars per share) $ 1.20          
Proceeds from Issuance of Common Stock $ 1,875,000          
Subsequent Event [Member] | Registration Rights Agreement [Member]            
Common Stock, Maximum Shares Sold (in shares)         4,500,000  
B. Riley Principal Capital II, LLC (the “Selling Stockholder”) [Member] | Subsequent Event [Member]            
Purchase Agreement, Maximum Amount to be Sold         $ 15,000,000  
Common Stock, Par or Stated Value Per Share (in dollars per share)         $ 0.001