Annual report pursuant to Section 13 and 15(d)

Note 9 - Property and Equipment - Summary of Major Classes of Property and Equipment (Details)

v3.20.1
Note 9 - Property and Equipment - Summary of Major Classes of Property and Equipment (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Property and Equipment, Gross $ 1,207,537 $ 1,251,185
Machinery and Equipment [Member]    
Property and Equipment, Useful Life (Year) 5 years  
Property and Equipment, Gross $ 575,091 575,091
Other Machinery and Equipment [Member]    
Property and Equipment, Gross $ 296,987 323,259
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  
Furniture and Fixtures [Member]    
Property and Equipment, Useful Life (Year) 7 years  
Property and Equipment, Gross $ 2,576 4,327
Purchased Software [Member]    
Property and Equipment, Useful Life (Year) 3 years  
Property and Equipment, Gross $ 320,435 336,060
Leasehold Improvements [Member]    
Property and Equipment, Gross [1] $ 12,448 $ 12,448
Property and Equipment, Useful Life [1] Term of Lease  
[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.