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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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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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