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Note 7 - Intangible Assets (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total   $ (1,481,265) $ (9,158,831)
Earnings Per Share, Basic and Diluted, Total   $ (0.07) $ (0.46)
Amortization, Total   $ 10,471,973 $ 6,036,657
Customer Relationships [Member] | Intangible Assets, Amortization Period [Member]      
Finite-Lived Intangible Asset, Useful Life 10 years    
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total $ 2,124,125    
Earnings Per Share, Basic and Diluted, Total $ 0.09