Biggest changeYear Ended December 31, 2023 2022 2021 (In thousands) REVENUES Service revenues $ 648,091 $ 446,518 $ 115,945 Product revenues 145,954 99,741 28,086 Total revenues 794,045 546,259 144,031 COST OF REVENUES AND OPERATING EXPENSES Cost of services 541,356 375,136 108,939 Cost of products 125,649 87,555 26,646 Administrative 17,111 15,777 15,526 Salary, benefits and payroll taxes 36,805 35,830 28,151 Amortization of intangible assets 16,823 16,823 16,829 Long-lived assets impairment 2,129 — — Total cost of revenues and operating expenses 739,873 531,121 196,091 Income (loss) from operations 54,172 15,138 (52,060 ) OTHER (EXPENSE) INCOME, NET Interest expense (21,395 ) (15,755 ) (13,488 ) Interest income 280 — 55 Change in fair value of warrant liabilities (37,557 ) 54,400 (2,600 ) Total other (expense) income, net (58,672 ) 38,645 (16,033 ) (Loss) Income before income tax (benefit) expense (4,500 ) 53,783 (68,093 ) INCOME TAX (BENEFIT) EXPENSE (1,526 ) 624 429 NET (LOSS) INCOME $ (2,974 ) $ 53,159 $ (68,522 ) Adjusted EBITDA (1) $ 89,192 $ 50,384 $ (18,946 ) Unlevered After-Tax Free Cash Flow (1) $ 79,061 $ 45,125 $ (21,974 ) % Conversion 88.6 % 89.6 % 116.0 % December 31, 2023 2022 2021 Balance Sheet Data (In thousands): Working Capital (2) $ 16,961 $ 15,068 $ 4,249 Total Assets 706,140 717,435 688,868 Total Liabilities 272,071 351,626 394,964 Total Shareholders' Equity 434,069 365,809 293,904 (1) We define adjusted EBITDA as net (loss) Income plus income tax (benefit) expense, interest income, interest expense, depreciation and amortization, long-lived assets impairment, stock-based compensation, change in fair value of warrant liabilities and business combination costs.
Biggest changeYear Ended December 31, 2024 2023 2022 (In thousands) REVENUES Service revenues $ 723,273 $ 648,091 $ 446,518 Product revenues 171,746 $ 145,954 $ 99,741 Total revenues 895,019 794,045 546,259 COST OF REVENUES AND OPERATING EXPENSES Cost of services 599,756 541,356 375,136 Cost of products 145,799 125,649 87,555 Administrative 18,827 17,111 15,777 Salary, benefits and payroll taxes 35,630 36,805 35,830 Amortization of intangible assets 16,571 16,823 16,823 Long-lived assets impairment 376 2,129 — Total cost of revenues and operating expenses 816,959 739,873 531,121 Income from operations 78,060 54,172 15,138 OTHER (EXPENSE) INCOME, NET Interest expense (10,048 ) (21,395 ) (15,755 ) Interest income 1,167 280 — Change in fair value of warrant liabilities 7,677 (37,557 ) 54,400 Total other (expense) income, net (1,204 ) (58,672 ) 38,645 Income (loss) before income tax expense (benefit) 76,856 (4,500 ) 53,783 INCOME TAX EXPENSE (BENEFIT) 3,992 (1,526 ) 624 NET INCOME (LOSS) $ 72,864 $ (2,974 ) $ 53,159 Adjusted EBITDA (1) $ 112,076 $ 89,192 $ 50,384 December 31, 2024 2023 2022 Balance Sheet Data (In thousands): Working Capital (2) $ 23,463 $ 16,961 $ 15,068 Total Assets 746,423 706,140 717,435 Total Liabilities 191,926 272,071 351,626 Total Shareholders' Equity 554,497 434,069 365,809 (1) We define Adjusted EBITDA as Net Income (loss) plus income tax expense (benefit), interest income, interest expense, depreciation and amortization, long-lived assets impairment, stock-based compensation, change in fair value of warrant liabilities and business combination costs.
Adjusted EBITDA and Unlevered After-Tax Free Cash Flow have limitations as profitability measures in that they do not include total amounts for interest expense on our debt, change in fair value of warrant liabilities and provision for income taxes, and the effect of our expenditures for capital assets and certain intangible assets.
Adjusted EBITDA has limitations as profitability measures in that it does not include total amounts for interest expense on our debt, change in fair value of warrant liabilities and provision for income taxes, and the effect of our expenditures for capital assets and certain intangible assets.
In addition, all of these non-GAAP measures have limitations as profitability measures in that they do not include the impact of certain expenses related to items that are settled in cash. Because of these limitations, the Company relies primarily on its GAAP results.
In addition, this non-GAAP measure has limitations as a profitability measure in that it does not include the impact of certain expenses related to items that are settled in cash. Because of these limitations, the Company relies primarily on its GAAP results.
(b) Unlevered After-Tax Free Cash Flow Conversion is calculated as Adjusted EBITDA less Capital Expenditures and Cash Taxes, divided by Adjusted EBITDA Note Regarding Non-GAAP Financial Information We believe that these non-GAAP measures, when reviewed in conjunction with GAAP financial measures, and not in isolation or as substitutes for analysis of our results of operations under GAAP, are useful to investors as they are widely used measures of performance and the adjustments we make to these non-GAAP measures provide investors further insight into our profitability and additional perspectives in comparing our performance to other companies and in comparing our performance over time on a consistent basis.
Note Regarding Non-GAAP Financial Information We believe that Adjusted EBITDA, as a non-GAAP measure, when reviewed in conjunction with GAAP financial measures, and not in isolation or as a substitute for analysis of our results of operations under GAAP, is useful to investors as it is a widely used measure of performance and the adjustments we make provide investors further insight into our profitability and additional perspectives in comparing our performance to other companies and in comparing our performance over time on a consistent basis.
(2) Working capital calculated as current assets less current liabilities, less cash and cash equivalents and restricted cash. 35 The following table reconciles Net (Loss) Income to Adjusted EBITDA and Unlevered After-Tax Free Cash Flow for the years ended December 31, 2023, 2022 and 2021: Year Ended December 31, (In thousands) 2023 2022 2021 Net (loss) Income $ (2,974 ) $ 53,159 $ (68,522 ) Income tax (benefit) expense (1,526 ) 624 429 Interest Income (280 ) — (55 ) Interest expense 21,395 15,755 13,488 Depreciation and amortization 22,040 22,353 22,468 Long-lived assets impairment 2,129 — — Stock-based compensation 10,138 12,893 10,646 Change in fair value of warrant liabilities 37,557 (54,400 ) 2,600 Business combination costs (a) $ 713 $ — $ — Adjusted EBITDA $ 89,192 $ 50,384 $ (18,946 ) Capital expenditures (5,415 ) (4,825 ) (2,868 ) Cash paid during the year for income taxes (4,716 ) (434 ) (160 ) Unlevered After-Tax Free Cash Flow $ 79,061 $ 45,125 $ (21,974 ) % Conversion (b) 88.6 % 89.6 % 116.0 % (a) Business combination costs refers to legal and advisory fees incurred by OneSpaWorld in connection with the secondary offering and warrant conversion.
(2) Working capital calculated as current assets less current liabilities, less cash and cash equivalents and restricted cash. 35 The following table reconciles Net Income (Loss) to Adjusted EBITDA for the years ended December 31, 2024, 2023 and 2022: Year Ended December 31, (In thousands) 2024 2023 2022 Net Income (loss) $ 72,864 $ (2,974 ) $ 53,159 Income tax expense (benefit) 3,992 (1,526 ) 624 Interest income (1,167 ) (280 ) — Interest expense 10,048 21,395 15,755 Depreciation and amortization 24,276 22,040 22,353 Long-lived assets impairment 376 2,129 — Stock-based compensation 9,071 10,138 12,893 Change in fair value of warrant liabilities (7,677 ) 37,557 (54,400 ) Business combination costs (a) 293 713 — Adjusted EBITDA $ 112,076 $ 89,192 $ 50,384 (a) Business combination costs refers to legal and advisory fees incurred by OneSpaWorld in connection with the secondary offering and warrant conversion.