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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Cash flows from operating activities attributable to continuing operations: |  |  |
Net (loss) income | $ (122,404) | $ (187,952) | $ 69,115
Less: Loss from discontinued operations, net of tax | 0 | 0 | 4,023
(Loss) income from continuing operations | (122,404) | (187,952) | 73,138
Adjustments to reconcile income from continuing operations to net cash provided by operating activities attributable to continuing operations: |  |  |
Loss on impairments and disposal of assets | 5,437 | 6,590 | 3,465
Amortization of intangibles | 7,694 | 25,306 | 42,738
Depreciation | 19,070 | 20,095 | 17,910
Non-cash compensation expense | 39,682 | 59,624 | 68,555
Deferred income taxes | (4,692) | 132,666 | 10,908
Change in fair value of contingent consideration | 0 | 0 | (8,249)
Bad debt expense | 1,752 | 4,101 | 2,472
Amortization of debt issuance costs | 3,137 | 6,432 | 5,992
Write-off of previously-capitalized debt issuance costs | 0 | 0 | 1,066
Amortization of debt discount | 0 | 1,475 | 30,695
Reduction in carrying amount of ROU asset, offset by change in operating lease liabilities | (4,404) | (1,547) | 12,807
Gain on settlement of convertible debt | (48,562) | 0 | 0
Loss (gain) on investments | 114,504 | 0 | (123,272)
Loss on impairment of goodwill | 38,600 | 0 | 0
Changes in current assets and liabilities: |  |  |
Accounts receivable | 27,706 | 9,143 | (10,289)
Prepaid and other current assets | (2,977) | (4,313) | (4,902)
Accounts payable, accrued expenses and other current liabilities | (5,541) | (28,418) | (1,537)
Income taxes receivable | (140) | 214 | 10,680
Other, net | (1,291) | (449) | (921)
Net cash provided by operating activities attributable to continuing operations | 67,571 | 42,967 | 131,256
Cash flows from investing activities attributable to continuing operations: |  |  |
Capital expenditures | (12,528) | (11,443) | (35,065)
Purchase of equity investment | 0 | (16,440) | (1,180)
Proceeds from the sale of equity investment | 0 | 0 | 46,312
Other investing activities | 50 | 7 | 0
Net cash (used in) provided by investing activities attributable to continuing operations | (12,478) | (27,876) | 10,067
Cash flows from financing activities attributable to continuing operations: |  |  |
Payments related to net-share settlement of stock-based compensation, net of proceeds from exercise of stock options | (1,088) | (3,411) | (14,423)
Purchase of treasury stock | 0 | (43,009) | (40,008)
Proceeds from term loan | 0 | 250,000 | 0
Repayment of term loan | (1,875) | (1,250) | 0
Payment of debt issuance costs | (1,580) | (135) | (6,385)
Payment of original issue discount on term loan | 0 | 0 | (2,500)
Other financing activities | 1 | 0 | (31)
Net cash (used in) provided by financing activities attributable to continuing operations | (242,006) | 32,536 | (63,347)
Total cash (used in) provided by continuing operations | (186,913) | 47,627 | 77,976
Discontinued operations: |  |  |
Net cash provided by operating activities attributable to discontinued operations | 0 | 0 | 3,317
Total cash provided by discontinued operations | 0 | 0 | 3,317
Net (decrease) increase in cash, cash equivalents, restricted cash and restricted cash equivalents | (186,913) | 47,627 | 81,293
Cash, cash equivalents, restricted cash, and restricted cash equivalents at beginning of period | 298,969 | 251,342 | 170,049
Cash, cash equivalents, restricted cash, and restricted cash equivalents at end of period | 112,056 | 298,969 | 251,342
Non-cash investing activities: |  |  |
(Decrease) increase in capital expenditures included in accounts payable and accrued expenses | (377) | (294) | (4,793)
Supplemental cash flow information: |  |  |
Interest paid | 23,685 | 19,017 | 8,912
Income tax payments | 1,283 | 404 | 186
Income tax refunds | 100 | 287 | 10,503
2025 Convertible Notes |  |  |
Adjustments to reconcile income from continuing operations to net cash provided by operating activities attributable to continuing operations: |  |  |
Amortization of debt issuance costs | 2,200 | 3,000 | 2,200
Write-off of previously-capitalized debt issuance costs | 3,200 |  |
Amortization of debt discount |  |  | 22,100
Gain on settlement of convertible debt | (53,300) |  |
Cash flows from financing activities attributable to continuing operations: |  |  |
Repayment of Convertible Senior Notes | (237,464) | 0 | 0
2022 Convertible Notes |  |  |
Adjustments to reconcile income from continuing operations to net cash provided by operating activities attributable to continuing operations: |  |  |
Amortization of debt issuance costs |  | 400 | 900
Amortization of debt discount |  |  | 7,500
Cash flows from financing activities attributable to continuing operations: |  |  |
Repayment of Convertible Senior Notes | $ 0 | $ (169,659) | $ 0

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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480060/805-50-25-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 30 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480027/805-50-30-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 30 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480027/805-50-30-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Subparagraph (c) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-13 + Details
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- Definition The amount of cash received during the period as refunds for the overpayment of taxes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-2 + Details
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- Definition The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-14 + Details
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