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Note 4 - Property and Equipment | 12 Months Ended
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Dec. 31, 2018
Notes to Financial Statements |
Property, Plant and Equipment Disclosure [Text Block] | 4. Property and Equipment: Property and equipment consist of the following (Dollar amounts in thousands of U.S. dollars):
|  | December 31, 2018 |  |  | December 31, 2017 |
Computer equipment |  | $ | 13,566 |  |  | $ | 12,312 |
Computer software |  |  | 1,496 |  |  |  | 1,449 |
Furniture and equipment |  |  | 1,364 |  |  |  | 1,308 |
Vehicles and tools |  |  | 2,323 |  |  |  | 1,306 |
Fiber network |  |  | 30,215 |  |  |  | 14,053 |
Customer equipment and installations |  |  | 4,939 |  |  |  | 2,570 |
Land |  |  | 823 |  |  | ─ |
Assets under construction |  |  | 10,030 |  |  |  | 4,204 |
Leasehold improvements |  |  | 229 |  |  |  | 171 |
|  |  | 64,985 |  |  |  | 37,373 |
Less: |  |  |  |  |  |  |  |
Accumulated depreciation |  |  | 16,920 |  |  |  | 12,753 |
|  | $ | 48,065 |  |  | $ | 24,620 |
Depreciation of property and equipment (Dollar amounts in thousands of U.S. dollars):
|  | Year ended December 31, 2018 |  |  | Year ended December 31, 2017 |  |  | Year ended December 31, 2016 |
Depreciation of property and equipment |  | $ | 5,722 |  |  | $ | 3,727 |  |  | $ | 1,824 |
During the year ended December 31, 2018, property, plant and equipment with a net book value of nil was written off. During the years ended December 31, 2017 and 2016, property, plant and equipment write-offs were a net book value of less than $0.1 million and $nil, respectively.

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 + Details
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