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Note 5 - Property and Equipment - Property and Equipment (Details) - USD ($) $ in Thousands		Sep. 30, 2025	Dec. 31, 2024
Property, plant and equipment, gross		$ 473,083	$ 487,791
Accumulated depreciation		185,123	156,742
Property, Plant and Equipment, Net		287,960	331,049
Computer Equipment [Member]
Property, plant and equipment, gross		47,785	53,907
Computer Software [Member]
Property, plant and equipment, gross		1,935	1,935
Capitalized Internal Use Software [Member]
Property, plant and equipment, gross		58,499	50,706
Furniture and Fixtures [Member]
Property, plant and equipment, gross		1,893	1,893
Vehicles and Tools [Member]
Property, plant and equipment, gross		8,866	10,638
Fiber Network [Member]
Property, plant and equipment, gross	[1]	270,102	272,959
Customer Equipment and Installations [Member]
Property, plant and equipment, gross		61,914	58,883
Land [Member]
Property, plant and equipment, gross		1,109	1,109
Building [Member]
Property, plant and equipment, gross		9,314	9,208
Asset under Construction [Member]
Property, plant and equipment, gross		10,917	25,810
Leasehold Improvements [Member]
Property, plant and equipment, gross		$ 748	$ 743
[1] Fiber network is presented net of $1.6 million government grants (2023: nil), with an impact of $0.1 million on accumulated depreciation (2023: nil).

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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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