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Note 7 - Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Accumulated amortization | $ (36,987,321) | $ (35,185,289)
Balance | 59,501,265 |
Balance | 7,051,225 | 7,097,895
Total, cost | 103,539,811 | 103,527,331
Intangible assets, net | 66,552,490 | 68,342,042
Customer Relationships [Member] |  |
Cost | 69,052,231 | 69,052,231
Accumulated amortization | (29,429,770) | (28,141,423)
Balance | 39,622,461 | 40,910,808
Permits, Licenses and Lease Acquisition Costs [Member] |  |
Cost | 11,725,808 | 11,724,308
Accumulated amortization | (4,745,823) | (4,479,482)
Balance | 6,979,985 | 7,244,826
Site Location [Member] |  |
Cost | 849,347 | 849,347
Accumulated amortization | (320,671) | (306,708)
Balance | 528,676 | 542,639
Noncompete Agreements [Member] |  |
Cost | 626,000 | 626,000
Accumulated amortization | (595,340) | (578,500)
Balance | 30,660 | 47,500
Technology-Based Intangible Assets [Member] |  |
Cost | 1,128,000 | 1,128,000
Accumulated amortization | (434,661) | (410,250)
Balance | 693,339 | 717,750
Trademarks and Trade Names [Member] |  |
Cost | 11,152,200 | 11,152,200
Accumulated amortization | (1,235,512) | (1,089,892)
Balance | 9,916,688 | 10,062,308
Nonsolicitation Agreement [Member] |  |
Cost | 28,000 | 28,000
Accumulated amortization | (28,000) | (28,000)
Balance | 0 | 0
Capitalized Contract Costs [Member] |  |
Cost | 1,927,000 | 1,869,350
Accumulated amortization | (197,544) | (151,034)
Balance | $ 1,729,456 | $ 1,718,316

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