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Note 6 - Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2025
Notes Tables |
Schedule of Intangible Assets and Goodwill [Table Text Block] |
|  | September 30, 2025 |  |  | December 31, 2024 |
|  |  |  |  |  | Accumulated |  |  |  |  |  |  |  |  |  |  | Accumulated |  |  |  |  |
|  | Cost |  |  | Amortization |  |  | Balance |  |  | Cost |  |  | Amortization |  |  | Balance |
Customer relationships |  | $ | 72,028,493 |  |  | $ | (42,914,896 | ) |  | $ | 29,113,597 |  |  | $ | 72,028,493 |  |  | $ | (38,854,986 | ) |  | $ | 33,173,507 |
Permits, licenses, and lease acquisition costs |  |  | 11,991,532 |  |  |  | (7,473,765 | ) |  |  | 4,517,767 |  |  |  | 11,926,773 |  |  |  | (6,656,353 | ) |  |  | 5,270,420 |
Site location |  |  | 849,347 |  |  |  | (462,306 | ) |  |  | 387,041 |  |  |  | 849,347 |  |  |  | (419,955 | ) |  |  | 429,392 |
Noncompetition agreements |  |  | 626,000 |  |  |  | (626,000 | ) |  |  | - |  |  |  | 626,000 |  |  |  | (626,000 | ) |  |  | - |
Technology |  |  | 1,128,000 |  |  |  | (682,296 | ) |  |  | 445,704 |  |  |  | 1,128,000 |  |  |  | (608,250 | ) |  |  | 519,750 |
Trade names and trademarks |  |  | 11,152,200 |  |  |  | (2,712,737 | ) |  |  | 8,439,463 |  |  |  | 11,152,200 |  |  |  | (2,271,025 | ) |  |  | 8,881,175 |
Nonsolicitation agreement |  |  | 353,000 |  |  |  | (320,035 | ) |  |  | 32,965 |  |  |  | 353,000 |  |  |  | (176,611 | ) |  |  | 176,389 |
Capitalized contract costs |  |  | 3,237,525 |  |  |  | (848,982 | ) |  |  | 2,388,543 |  |  |  | 2,800,576 |  |  |  | (624,175 | ) |  |  | 2,176,401 |
Indefinite lived intangibles |  |  | 7,787,591 |  |  |  | - |  |  |  | 7,787,591 |  |  |  | 7,705,591 |  |  |  | - |  |  |  | 7,705,591 |
Total |  | $ | 109,153,688 |  |  | $ | (56,041,017 | ) |  | $ | 53,112,671 |  |  | $ | 108,569,980 |  |  | $ | (50,237,355 | ) |  | $ | 58,332,625 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
|  | September 30, |  |  |  |  |  |  |  |  |
|  | 2026 |  |  | 2027 |  |  | 2028 |  |  | 2029 |  |  | 2030 |  |  | Thereafter |  |  | Total |
Customer relationships |  | $ | 5,428,084 |  |  | $ | 5,408,507 |  |  | $ | 5,204,597 |  |  | $ | 3,431,532 |  |  | $ | 3,122,469 |  |  | $ | 6,518,408 |  |  | $ | 29,113,597 |
Permits, licenses, and lease acquisition costs |  |  | 1,075,038 |  |  |  | 1,042,124 |  |  |  | 956,737 |  |  |  | 281,513 |  |  |  | 190,316 |  |  |  | 972,039 |  |  |  | 4,517,767 |
Site location |  |  | 56,623 |  |  |  | 56,623 |  |  |  | 56,623 |  |  |  | 56,623 |  |  |  | 56,623 |  |  |  | 103,926 |  |  |  | 387,041 |
Noncompetition agreements |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Technology |  |  | 99,000 |  |  |  | 99,000 |  |  |  | 99,000 |  |  |  | 99,000 |  |  |  | 49,704 |  |  |  | - |  |  |  | 445,704 |
Trade names and trademarks |  |  | 590,567 |  |  |  | 542,026 |  |  |  | 525,667 |  |  |  | 525,667 |  |  |  | 525,667 |  |  |  | 5,729,869 |  |  |  | 8,439,463 |
Nonsolicitation agreement |  |  | 32,965 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 32,965 |
Capitalized contract costs |  |  | 323,753 |  |  |  | 323,753 |  |  |  | 323,753 |  |  |  | 323,753 |  |  |  | 323,753 |  |  |  | 769,778 |  |  |  | 2,388,543 |
Total |  | $ | 7,606,030 |  |  | $ | 7,472,033 |  |  | $ | 7,166,377 |  |  | $ | 4,718,088 |  |  | $ | 4,268,532 |  |  | $ | 14,094,020 |  |  | $ | 45,325,080 |
Customer relationships |  |  | 64 |
Permits, licenses, and lease acquisition costs |  |  | 49 |
Site location |  |  | 82 |
Technology |  |  | 54 |
Trade names and trademarks |  |  | 171 |
Nonsolicitation agreement |  |  | 2 |
Capitalized contract costs |  |  | 89 |

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