XML 87 R71.htm IDEA: XBRL DOCUMENT v3.20.4
Note 9 - Intangible Assets (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) 3 years 7 months 6 days 4 years 2 months 12 days
Amortization of Intangible Assets, Total $ 826,020 $ 609,624