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Note 13 - Segment Reporting - Information by Reportable Segments (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Net Revenues | $ 70,875 | $ 83,985
Direct cost of revenues | 46,187 | 53,188
Segment Gross Margin | 24,688 | 30,797
Adjusted EBITDA | 12,724 | 12,681
Depreciation of property and equipment | 3,759 | 2,990
Impairment of property and equipment | 60 | 0
Amortization of intangible assets | 2,619 | 3,301
Interest expense, net | 936 | 1,150
Accretion of contingent consideration | 96 | 87
Share-based Payment Arrangement, Expense | 1,022 | 801
Unrealized loss (gain) on change in fair value of forward contracts | 166 | 348
Unrealized loss (gain) on foreign exchange revaluation of foreign denominated monetary assets and liabilities | 67 | (42)
Acquisition and other costs1 | 767 | 111
Income before provision for income taxes | 3,232 | 3,935
Corporate, Non-Segment [Member] |  |
Net Revenues | 0 | 0
Direct cost of revenues | 0 | 0
Segment Gross Margin | 0 | 0
Adjusted EBITDA | (2,981) | (2,793)
Fiber Internet Services [Member] | Operating Segments [Member] |  |
Net Revenues | 5,371 | 4,308
Direct cost of revenues | 2,635 | 1,716
Segment Gross Margin | 2,736 | 2,592
Adjusted EBITDA | (2,593) | (1,062)
Mobile Services [Member] | Operating Segments [Member] |  |
Net Revenues | 4,279 | 20,148
Direct cost of revenues | 2,778 | 9,857
Segment Gross Margin | 1,501 | 10,291
Adjusted EBITDA | 4,478 | 4,989
Domain Name Services [Member] |  |
Net Revenues | 61,225 | 59,529
Domain Name Services [Member] | Operating Segments [Member] |  |
Net Revenues | 61,225 | 59,529
Direct cost of revenues | 40,774 | 41,615
Segment Gross Margin | 20,451 | 17,914
Adjusted EBITDA | $ 13,820 | $ 11,547

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