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Note 6 - Goodwill and Other Intangible Assets - Estimated Future Amortization Expense of Intangible Assets (Details) - USD ($)
Sep. 30, 2017
Dec. 31, 2016
Remainder of 2017 $ 2,168,927  
2018 9,166,244  
2019 7,255,196  
2020 7,092,696  
2021 7,092,696  
Thereafter 14,648,206  
Total $ 47,423,965 $ 6,809,484