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Note 7 - Intangible Assets - Schedule of Future Amortization, Intangible Assets (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2020
2021 |  | $ 4,611,636
2022 |  | 4,600,802
2023 |  | 4,556,536
2024 |  | 4,511,836
2025 |  | 4,497,428
Thereafter |  | 17,088,582
Total |  | 39,866,820
Customer Relationships [Member] |  |
2021 |  | 3,132,966
2022 |  | 3,132,966
2023 |  | 3,132,966
2024 |  | 3,132,966
2025 |  | 3,132,966
Thereafter |  | 10,516,902
Total | $ 19,853,413 | $ 26,181,732
Finite-lived intangible assets, useful life (Year) | 10 years |
Customer Relationships [Member] | Weighted Average [Member] |  |
Finite-lived intangible assets, useful life (Year) |  | 100 months
Permits, Licenses and Lease Acquisition Costs [Member] |  |
2021 |  | $ 1,012,947
2022 |  | 1,012,947
2023 |  | 1,012,947
2024 |  | 1,012,947
2025 |  | 999,939
Thereafter |  | 3,589,633
Total | $ 8,862,184 | $ 8,641,360
Permits, Licenses and Lease Acquisition Costs [Member] | Weighted Average [Member] |  |
Finite-lived intangible assets, useful life (Year) |  | 102 months
Site Location [Member] |  |
2021 |  | $ 56,623
2022 |  | 56,623
2023 |  | 56,623
2024 |  | 56,623
2025 |  | 56,623
Thereafter |  | 372,770
Total | 712,508 | $ 655,885
Finite-lived intangible assets, useful life (Year) |  | 15 years
Site Location [Member] | Weighted Average [Member] |  |
Finite-lived intangible assets, useful life (Year) |  | 139 months
Noncompete Agreements [Member] |  |
2021 |  | $ 101,200
2022 |  | 90,366
2023 |  | 46,100
2024 |  | 1,400
2025 |  | 0
Thereafter |  | 0
Total | 356,682 | $ 239,066
Noncompete Agreements [Member] | Weighted Average [Member] |  |
Finite-lived intangible assets, useful life (Year) |  | 26 months
Technology-Based Intangible Assets [Member] |  |
2021 |  | $ 99,000
2022 |  | 99,000
2023 |  | 99,000
2024 |  | 99,000
2025 |  | 99,000
Thereafter |  | 420,750
Total | 0 | $ 915,750
Technology-Based Intangible Assets [Member] | Weighted Average [Member] |  |
Finite-lived intangible assets, useful life (Year) |  | 111 months
Trademarks and Trade Names [Member] |  |
2021 |  | $ 208,900
2022 |  | 208,900
2023 |  | 208,900
2024 |  | 208,900
2025 |  | 208,900
Thereafter |  | 2,188,527
Total | $ 454,300 | $ 3,233,027
Trademarks and Trade Names [Member] | Weighted Average [Member] |  |
Finite-lived intangible assets, useful life (Year) |  | 186 months

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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