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Note 7 - Intangible Assets - Schedule of Future Amortization, Intangible Assets Acquired in Acquisitions (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Dec. 31, 2018
2019 | $ 11,061,171 |
2020 | 9,710,294 |
2021 | 4,498,398 |
2022 | 1,072,620 |
2023 | 1,019,088 |
Thereafter | 5,149,814 |
Total | 32,511,385 |
Customer Relationships [Member] |  |
2019 | 9,937,564 |
2020 | 8,606,874 |
2021 | 3,411,693 |
2022 |  |
2023 |  |
Thereafter |  |
Total | $ 21,956,131 | $ 24,312,336
Intangible assets, weighted average useful life (Month) | 2 years |
Permits, Licenses and Lease Acquisition Costs [Member] |  |
2019 | $ 869,732 |
2020 | 869,732 |
2021 | 869,732 |
2022 | 869,732 |
2023 | 869,732 |
Thereafter | 4,499,285 |
Total | $ 8,847,945 | 9,040,336
Intangible assets, weighted average useful life (Month) | 10 years 60 days |
Site Location [Member] |  |
2019 | $ 56,623 |
2020 | 56,623 |
2021 | 56,623 |
2022 | 56,623 |
2023 | 56,623 |
Thereafter | 472,054 |
Total | $ 755,169 | 769,131
Intangible assets, weighted average useful life (Month) | 13 years 120 days |
Noncompete Agreements [Member] |  |
2019 | $ 123,200 |
2020 | 112,165 |
2021 | 95,450 |
2022 | 81,365 |
2023 | 27,833 |
Thereafter |  |
Total | $ 440,013 | 468,483
Intangible assets, weighted average useful life (Month) | 3 years 210 days |
Trademarks and Trade Names [Member] |  |
2019 | $ 70,208 |
2020 | 64,900 |
2021 | 64,900 |
2022 | 64,900 |
2023 | 64,900 |
Thereafter | 178,475 |
Total | $ 508,283 | 526,783
Intangible assets, weighted average useful life (Month) | 5 years |
Technology-Based Intangible Assets [Member] |  |
2019 | $ 3,844 |
2020 |  |
2021 |  |
2022 |  |
2023 |  |
Thereafter |  |
Total | $ 3,844 | $ 15,343
Intangible assets, weighted average useful life (Month) | 30 days |

X
- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized after the fifth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the second rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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