Annual report pursuant to Section 13 and 15(d)

Note 8 - Property and Equipment - Summary of Major Classes of Property and Equipment (Details)

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Note 8 - Property and Equipment - Summary of Major Classes of Property and Equipment (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Property and Equipment, Gross $ 845,379 $ 1,207,537
Purchased Software [Member]    
Property and Equipment, Useful Life (Year) 3 years  
Property and Equipment, Gross $ 320,435 320,435
Machinery and Equipment [Member]    
Property and Equipment, Useful Life (Year) 5 years  
Property and Equipment, Gross $ 214,356 575,091
Other Machinery and Equipment [Member]    
Property and Equipment, Gross $ 297,315 296,987
Other Machinery and Equipment [Member] | Minimum [Member]    
Property and Equipment, Useful Life (Year) 3 years  
Other Machinery and Equipment [Member] | Maximum [Member]    
Property and Equipment, Useful Life (Year) 5 years  
Leasehold Improvements [Member]    
Property and Equipment, Gross [1] $ 12,448 12,448
Property and Equipment, Useful Life [1] Term of Lease  
Furniture and Fixtures [Member]    
Property and Equipment, Useful Life (Year) 7 years  
Property and Equipment, Gross $ 825 $ 2,576
[1] We amortize leasehold improvements over the term of the lease, which in all cases is shorter than the estimated useful life of the asset.