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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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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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