XML 29 R46.htm IDEA: XBRL DOCUMENT v3.20.1
Note 5 - Intangible Assets - Expected Future Amortization Expense (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
2020 $ 101,599  
Thereafter 387,117  
Intangible assets, net $ 488,716 $ 748