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Note 6 - Business Acquisitions (Details Textual) - USD ($) |  |  |  |  |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 01, 2021 | Jan. 26, 2021 | Dec. 29, 2020 | Mar. 10, 2020 | Jan. 01, 2020 | Sep. 30, 2021 | Jun. 30, 2021 | Sep. 30, 2021 | Mar. 10, 2021 | Dec. 31, 2020
Goodwill, Ending Balance |  |  |  |  |  | $ 129,357,746 |  | $ 129,357,746 |  | $ 124,446,446
UBB [Member] |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners |  |  |  |  |  | 20.00% |  | 20.00% |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  |  | 2 years |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  |  | 50 years |  |  |  |  |
Assets Acquired from Acquisition [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life (Year) |  |  |  |  | 2 years |  |  |  |  |
Assets Acquired from Acquisition [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life (Year) |  |  |  |  | 15 years |  |  |  |  |
Thomas Outdoors, LLC [Member] |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Total |  | $ 6,102,508 |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment, Total |  | 1,706,708 |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total |  | 1,551,000 |  |  |  |  |  |  |  |
Goodwill, Ending Balance |  | 2,618,431 |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets |  | $ 226,369 |  |  |  |  |  |  |  |
Thomas Outdoors, LLC [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 15 years |  |  |  |  |  |  |  |
Thomas Outdoors, LLC [Member] | Permits [Member] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 10 years |  |  |  |  |  |  |  |
Acquisition of ACS [member] |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Total | $ 3,455,000 |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment, Total | 87,780 |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total | 970,000 |  |  |  |  |  |  |  |  |
Goodwill, Ending Balance | 2,339,628 |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets | $ 57,592 |  |  |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired | 100.00% |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross | $ 2,225,000 |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Percentage of Cash Held Back to Be Disbursed | 10.00% |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Cash Held Back to Be Disbursed, Period (Month) | 18 months |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Total | $ 1,230,000 |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low | 0 |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | $ 1,275,000 |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Term (Year) | 24 years |  |  |  |  |  |  |  |  |
Acquisition of ACS [member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 15 years |  |  |  |  |  |  |  |  |
Acquisition of ACS [member] | Trademarks and Trade Names [Member] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 15 years |  |  |  |  |  |  |  |  |
FibAire Communications LLC [Member] |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Total |  |  |  | $ 13,712,491 |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment, Total |  |  |  |  |  |  |  |  |  | 3,112,459
Goodwill, Ending Balance |  |  |  |  |  |  |  |  |  | 7,124,158
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets |  |  |  |  |  |  |  |  |  | 184,737
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  |  |  |  |  |  | 10.00% |
Payments to Acquire Businesses, Gross |  |  |  |  |  |  | $ 664,414 |  |  |
Business Combination, Consideration Transferred, Percent, Cash |  |  |  | 90.00% |  |  |  |  |  |
Business Combination, Consideration Transferred, Percent, Equity |  |  |  | 10.00% |  |  |  |  |  |
Business Combination, Equity Issued, Percent Issued to Acquired Company |  |  |  | 10.00% |  |  |  |  |  |
FibAire Communications LLC [Member] | Fiber, Towers, and Broadband Equipment [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life (Year) |  |  |  |  |  |  |  | 5 years |  |
FibAire Communications LLC [Member] | Fiber, Towers, and Broadband Equipment [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life (Year) |  |  |  |  |  |  |  | 20 years |  |
FibAire Communications LLC [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total |  |  |  |  |  |  |  |  |  | 1,480,000
FibAire Communications LLC [Member] | Permits [Member] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total |  |  |  |  |  |  |  |  |  | 260,000
FibAire Communications LLC [Member] | Customer Relationships and Permits [Member] |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  |  |  |  |  | 10 years |  |
FibAire Communications LLC [Member] | Trademarks and Trade Names [Member] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total |  |  |  |  |  |  |  |  |  | $ 970,000
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  |  |  |  |  | 20 years |  |
Utah Broadband, LLC [Member] |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Total |  |  | $ 26,603,700 |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment, Total |  |  |  |  |  | $ 7,319,000 |  | $ 7,319,000 |  |
Goodwill, Ending Balance |  |  |  |  |  | 10,811,000 |  | 10,811,000 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets |  |  |  |  |  | 201,000 |  | $ 201,000 |  |
Business Combination, Consideration Transferred, Percent, Cash |  |  | 80.00% |  |  |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment |  |  |  |  |  | 1,149,000 |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles |  |  |  |  |  | (930,000) |  |  |  |
Goodwill, Purchase Accounting Adjustments |  |  |  |  |  | (219,000) |  |  |  |
Utah Broadband, LLC [Member] | Equity of FIF Utah [Member] |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Percent, Equity |  |  | 20.00% |  |  |  |  |  |  |
Business Combination, Equity Issued, Percent Issued to Acquired Company |  |  | 20.00% |  |  |  |  |  |  |
Utah Broadband, LLC [Member] | Fiber, Towers, and Broadband Equipment [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life (Year) |  |  |  |  |  |  |  | 5 years |  |
Utah Broadband, LLC [Member] | Fiber, Towers, and Broadband Equipment [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life (Year) |  |  |  |  |  |  |  | 20 years |  |
Utah Broadband, LLC [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total |  |  |  |  |  | 6,800,000 |  | $ 6,800,000 |  |
Utah Broadband, LLC [Member] | Trademarks and Trade Names [Member] |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total |  |  |  |  |  | $ 1,910,000 |  | $ 1,910,000 |  |

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- Definition With regard to the portion of the payments to acquire businesses held back to be disbursed, this element represents the period over which that cash amount is to be disbursed. + References No definition available. + Details
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- Definition Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472 + Details
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- 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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