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Note 4 - Property and Equipment - Property and Equipment (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Property, plant and equipment, gross | $ 359,553 | $ 226,741
Accumulated depreciation | 78,058 | 54,079
Property, plant and equipment, net | 281,495 | 172,662
Computer Equipment [Member] |  |
Property, plant and equipment, gross | 43,440 | 34,465
Computer Software [Member] |  |
Property, plant and equipment, gross | 1,935 | 1,921
Capitalized Internal Use Software [Member] |  |
Property, plant and equipment, gross | 25,172 | 10,660
Furniture and Fixtures [Member] |  |
Property, plant and equipment, gross | 1,708 | 1,418
Vehicles and Tools [Member] |  |
Property, plant and equipment, gross | 9,144 | 6,569
Fiber Network [Member] |  |
Property, plant and equipment, gross | 168,587 | 109,500
Customer Equipment and Installations [Member] |  |
Property, plant and equipment, gross | 36,382 | 22,027
Land [Member] |  |
Property, plant and equipment, gross | 1,109 | 1,123
Building [Member] |  |
Property, plant and equipment, gross | 8,864 | 9,096
Asset under Construction [Member] |  |
Property, plant and equipment, gross | 62,588 | 29,414
Leasehold Improvements [Member] |  |
Property, plant and equipment, gross | $ 624 | $ 548

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