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Note 5 - Property and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($) | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Accumulated depreciation | $ (12,725,499) | $ (10,382,442)
Total Property and Equipment, net | 54,401,594 | 48,508,272
Structures and Displays [Member] |  |
Property, plant and equipment, gross | 44,901,136 | 42,858,525
Fiber, Towers, and Broadband Equipment [Member] |  |
Property, plant and equipment, gross | 15,310,068 | 11,358,650
Vehicles and Equipment [Member] |  |
Property, plant and equipment, gross | 3,960,164 | 2,522,810
Office Furniture and Equipment [Member] |  |
Property, plant and equipment, gross | $ 2,955,725 | $ 2,150,729

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