Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Summary of Significant Accounting Policies (Details Textual)

v3.20.2
Note 3 - Summary of Significant Accounting Policies (Details Textual)
3 Months Ended 9 Months Ended
Apr. 27, 2020
USD ($)
Sep. 30, 2020
shares
Sep. 30, 2020
USD ($)
shares
Sep. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
Number of Operating Segments     2    
Accounts Receivable, Allowance for Credit Loss, Ending Balance       $ 10,000 $ 10,000
Proceeds from Notes Payable, Total     $ 276,180  
Options and Warrants [Member]          
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares   7,477,171 5,004,415    
Paycheck Protection Program CARES Act [Member]          
Proceeds from Notes Payable, Total $ 276,000        
Minimum [Member]          
Property, Plant and Equipment, Useful Life (Year)     2 years    
Maximum [Member]          
Property, Plant and Equipment, Useful Life (Year)     7 years