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Note 7 - Intangible Assets - Schedule of Future Amortization, Intangible Assets (Details) - USD ($)
6 Months Ended
Jun. 30, 2021
Dec. 31, 2020
2021 $ 4,836,104  
2022 4,816,386  
2023 4,753,243  
2024 4,740,245  
2025 4,710,193  
Thereafter 16,257,936  
Total 40,114,107  
Customer Relationships [Member]    
2021 3,323,266  
2022 3,323,266  
2023 3,323,266  
2024 3,323,266  
2025 3,323,266  
Thereafter 10,086,175  
Total $ 26,702,505 $ 26,181,732
Customer Relationships [Member] | Weighted Average [Member]    
Intangible assets, weighted average useful life (Month) 96 months  
Permits, Licenses and Lease Acquisition Costs [Member]    
2021 $ 1,035,448  
2022 1,035,448  
2023 1,035,448  
2024 1,035,448  
2025 1,005,737  
Thereafter 3,207,952  
Total $ 8,355,481 8,641,360
Permits, Licenses and Lease Acquisition Costs [Member] | Weighted Average [Member]    
Intangible assets, weighted average useful life (Month) 97 months  
Site Location [Member]    
2021 $ 56,623  
2022 56,623  
2023 56,623  
2024 56,623  
2025 56,623  
Thereafter 344,691  
Total $ 627,806 655,885
Site Location [Member] | Weighted Average [Member]    
Intangible assets, weighted average useful life (Month) 133 months  
Noncompete Agreements [Member]    
2021 $ 96,200  
2022 76,482  
2023 13,339  
2024 341  
2025 0  
Thereafter 0  
Total $ 186,362 239,066
Noncompete Agreements [Member] | Weighted Average [Member]    
Intangible assets, weighted average useful life (Month) 23 months  
Technology-Based Intangible Assets [Member]    
2021 $ 99,000  
2022 99,000  
2023 99,000  
2024 99,000  
2025 99,000  
Thereafter 371,657  
Total $ 866,657 915,750
Technology-Based Intangible Assets [Member] | Weighted Average [Member]    
Intangible assets, weighted average useful life (Month) 105 months  
Trademarks and Trade Names [Member]    
2021 $ 225,567  
2022 225,567  
2023 225,567  
2024 225,567  
2025 225,567  
Thereafter 2,247,461  
Total $ 3,375,296 $ 3,233,027
Trademarks and Trade Names [Member] | Weighted Average [Member]    
Intangible assets, weighted average useful life (Month) 180 months