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Note 7 - Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Accumulated amortization | $ (33,385,117) | $ (28,710,493)
Balance | 59,966,665 |
Total, cost | 99,826,783 | 74,062,545
Intangible assets, net | 66,441,666 | 45,352,052
Easements [Member] |  |
Accumulated amortization | 0 | 0
Balance | 6,475,001 | 5,463,526
Customer Relationships [Member] |  |
Cost | 66,568,230 | 49,535,976
Accumulated amortization | (26,869,185) | (23,611,856)
Balance | 39,699,045 | 25,924,120
Permits, Licenses and Lease Acquisition Costs [Member] |  |
Cost | 11,574,155 | 11,560,896
Accumulated amortization | (4,209,786) | (3,413,876)
Balance | 7,364,369 | 8,147,020
Site Location [Member] |  |
Cost | 849,347 | 849,347
Accumulated amortization | (292,436) | (250,085)
Balance | 556,911 | 599,262
Noncompete Agreements [Member] |  |
Cost | 626,000 | 626,000
Accumulated amortization | (559,102) | (488,134)
Balance | 66,898 | 137,866
Technology-Based Intangible Assets [Member] |  |
Cost | 1,128,000 | 1,128,000
Accumulated amortization | (385,296) | (311,250)
Balance | 742,704 | 816,750
Trademarks and Trade Names [Member] |  |
Cost | 11,152,200 | 3,852,200
Accumulated amortization | (941,455) | (590,575)
Balance | 10,210,745 | 3,261,625
Nonsolicitation Agreement [Member] |  |
Cost | 28,000 | 28,000
Accumulated amortization | (28,000) | (28,000)
Balance | 0 | 0
Capitalized Contract Costs [Member] |  |
Cost | 1,425,850 | 1,018,600
Accumulated amortization | (99,857) | (16,717)
Balance | $ 1,325,993 | $ 1,001,883

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