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Note 6 - Goodwill and Other Intangible Assets - Estimated Future Amortization Expense of Intangible Assets (Details) - USD ($)
Jun. 30, 2017
Dec. 31, 2016
Remainder of 2017 $ 4,464,173  
2018 8,823,908  
2019 6,912,860  
2020 6,750,360  
2021 6,750,360  
Thereafter 13,582,961  
Total $ 47,284,622 $ 6,809,484