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Note 7 - Intangible Assets - Schedule of Future Amortization, Intangible Assets Acquired in Acquisitions (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2018 | Dec. 31, 2017
2018 | $ 2,607,943 |
2019 | 1,517,390 |
2020 | 407,067 |
2021 | 275,265 |
2022 | 255,431 |
Thereafter | 2,054,917 |
Total | 7,118,013 |
Customer Relationships [Member] |  |
2018 | 2,256,238 |
2019 | 1,210,675 |
2020 | 119,302 |
2021 |  |
2022 |  |
Thereafter |  |
Total | $ 3,586,215 | $ 5,162,367
Intangible assets, weighted average useful life (Month) | 1 year 150 days |
Permits, Licenses and Lease Acquisition Costs [Member] |  |
2018 | $ 125,742 |
2019 | 125,742 |
2020 | 125,742 |
2021 | 125,742 |
2022 | 125,742 |
Thereafter | 1,313,439 |
Total | $ 1,942,149 | 2,005,271
Intangible assets, weighted average useful life (Month) | 15 years 150 days |
Site Location [Member] |  |
2018 | $ 56,623 |
2019 | 56,623 |
2020 | 56,623 |
2021 | 56,623 |
2022 | 56,623 |
Thereafter | 514,328 |
Total | $ 797,443 | 825,754
Intangible assets, weighted average useful life (Month) | 14 years 30 days |
Noncompete Agreements [Member] |  |
2018 | $ 57,000 |
2019 | 56,417 |
2020 | 40,500 |
2021 | 28,000 |
2022 | 8,166 |
Thereafter |  |
Total | $ 190,083 | 218,583
Intangible assets, weighted average useful life (Month) | 3 years 120 days |
Trademarks and Trade Names [Member] |  |
2018 | $ 74,000 |
2019 | 67,933 |
2020 | 64,900 |
2021 | 64,900 |
2022 | 64,900 |
Thereafter | 227,150 |
Total | $ 563,783 | 609,950
Intangible assets, weighted average useful life (Month) | 5 years 210 days |
Technology-Based Intangible Assets [Member] |  |
2018 | $ 38,340 |
2019 |  |
2020 |  |
2021 |  |
2022 |  |
Thereafter |  |
Total | $ 38,340 | $ 61,338
Intangible assets, weighted average useful life (Month) | 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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- 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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