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Note 13 - Segment Reporting - Reconciliation of Income Before Provision for Income Taxes to Adjusted EBITDA (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Depreciation of property and equipment |  | $ (10,539) | $ (10,173) | $ (20,999) | $ (20,160)
Impairment and loss (gain) on disposition of property and equipment |  | 1,353 | 0 | 1,149 | (53)
Amortization expense |  | (1,115) | (1,201) | (2,321) | (2,880)
Interest expense, net |  | (13,621) | (12,553) | (27,234) | (24,432)
Stock-based compensation |  | (1,386) | (1,702) | (2,891) | (3,575)
Unrealized loss (gain) on foreign exchange revaluation of foreign denominated monetary assets and liabilities |  | 72 | (164) | 437 | (554)
Acquisition and other costs (2) | [1] | (713) | (769) | (728) | (3,820)
Net loss before tax |  | (13,372) | (17,384) | (26,339) | (42,094)
Operating Segments [Member] |  |  |  |  |
Adjusted EBITDA |  | 14,252 | 8,686 | 29,387 | 11,947
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] |  |  |  |  |
Adjusted EBITDA | [2] | $ (1,675) | $ 492 | $ (3,139) | $ 1,433
[1] | Acquisition and other costs represent transaction-related expenses and transitional expenses. Expenses include severance or transitional costs associated with department, operational or overall company restructuring efforts, including geographic alignments.
[2] | Items that are centrally managed and not monitored by or reported to our CEO by segment, including retail mobile services, eliminations of intercompany transactions, portions of Finance and Human Resources that are centrally managed, Legal and Corporate IT.

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