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Note 7 - Intangible Assets - Schedule of Future Amortization, Intangible Assets Acquired in Acquisitions (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2018 | Dec. 31, 2017
2018 | $ 11,597,033 |
2019 | 10,437,602 |
2020 | 8,726,833 |
2021 | 1,224,365 |
2022 | 1,193,881 |
Thereafter | 6,321,592 |
Total | 39,501,306 |
Customer Relationships [Member] |  |
2018 | 10,306,727 |
2019 | 9,186,562 |
2020 | 7,492,718 |
2021 |  |
2022 |  |
Thereafter |  |
Total | $ 26,986,007 | $ 5,162,367
Intangible assets, weighted average useful life (Month) | 2 years 180 days |
Permits, Licenses and Lease Acquisition Costs [Member] |  |
2018 | $ 867,542 |
2019 | 867,542 |
2020 | 867,542 |
2021 | 867,542 |
2022 | 867,542 |
Thereafter | 4,921,745 |
Total | $ 9,259,455 | 2,005,271
Intangible assets, weighted average useful life (Month) | 10 years 240 days |
Site Location [Member] |  |
2018 | $ 56,623 |
2019 | 56,623 |
2020 | 56,623 |
2021 | 56,623 |
2022 | 56,623 |
Thereafter | 500,172 |
Total | $ 783,287 | 825,754
Intangible assets, weighted average useful life (Month) | 13 years 300 days |
Noncompete Agreements [Member] |  |
2018 | $ 122,800 |
2019 | 118,717 |
2020 | 102,550 |
2021 | 92,800 |
2022 | 62,316 |
Thereafter |  |
Total | $ 499,183 | 218,583
Intangible assets, weighted average useful life (Month) | 4 years 30 days |
Trademarks and Trade Names [Member] |  |
2018 | $ 74,000 |
2019 | 65,658 |
2020 | 64,900 |
2021 | 64,900 |
2022 | 64,900 |
Thereafter | 210,925 |
Total | $ 545,283 | 609,950
Intangible assets, weighted average useful life (Month) | 5 years 120 days |
Technology-Based Intangible Assets [Member] |  |
2018 | $ 26,841 |
2019 |  |
2020 |  |
2021 |  |
2022 |  |
Thereafter |  |
Total | $ 26,841 | 61,338
Intangible assets, weighted average useful life (Month) | 210 days |
Off-Market Favorable Lease [Member] |  |
2018 | $ 142,500 |
2019 | 142,500 |
2020 | 142,500 |
2021 | 142,500 |
2022 | 142,500 |
Thereafter | 688,750 |
Total | $ 1,401,250 |
Intangible assets, weighted average useful life (Month) | 9 years 300 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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