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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Cash flows from operating activities: |  |
Net (loss) income including noncontrolling interests in subsidiaries | $ (34,698) | $ 68,930
Adjustments to reconcile net (loss) income including noncontrolling interests in subsidiaries to net cash provided by (used in) operating activities: |  |
Depreciation, depletion and amortization | 33,574 | 14,728
Accretion of asset retirement obligation | 986 | 0
Change in fair value of Series A redeemable convertible preferred stock embedded derivatives | 0 | (3,954)
Change in fair value of Series B warrants | 0 | (2,762)
Gain on exercise of Series B warrants | 0 | (1,525)
Compensation expense for share-based awards | 4,795 | 3,297
Loss (gain) on foreign currency exchange | 370 | (53)
Change in fair value of equity securities | 31,412 | (31,423)
(Gain) loss on sale of equity securities | (28,861) | 10,930
Earnings on equity investment in joint venture | 0 | (4,167)
Unrealized loss (gain) on derivatives | 610 | (781)
Deferred income taxes, net of acquired net deferred tax assets | (6,051) | (3,657)
Changes in assets and liabilities: |  |
Accounts receivable | 69,225 | (70,313)
Inventories | 1,054 | 3,301
Prepaid expenses and other assets | (9,329) | (820)
Accounts payable and accrued expenses | (8,124) | (4,651)
Royalties and contingent legal fees payable | (5,338) | 751
Deferred revenue | 497 | (337)
Net cash provided by (used in) operating activities | 50,122 | (22,506)
Cash flows from investing activities: |  |
Acquisition, net of cash acquired (Note 3) | (87,678) | (9,409)
Cash reinvested | 0 | 9,965
Patent acquisition | (14,000) | (6,000)
Purchases of equity securities | (20,472) | (13,072)
Sales of equity securities | 57,854 | 32,106
Distributions received from equity investment in joint venture | 0 | 2,777
Net purchases of property and equipment and additions to oil and gas properties | (148,667) | (189)
Net cash (used in) provided by investing activities | (212,963) | 16,178
Cash flows from financing activities: |  |
Repurchase of common stock | (20,288) | 0
Paydown of Senior Secured Notes | 0 | (60,000)
Contributions from noncontrolling interest | 15,250 | 0
Borrowings on the Revolving credit facility | 86,010 | 0
Paydown of Revolving Credit Facility | (30,035) | (7,700)
Borrowings on the Term Loan | 47,488 | 0
Dividend on Series A Redeemable Convertible Preferred Stock | 0 | (1,400)
Taxes paid related to net share settlement of share-based awards | (1,092) | (614)
Proceeds from exercise of stock options | 223 | 235
Net cash provided by financing activities | 97,556 | 58,632
Effect of exchange rates on cash and cash equivalents | (926) | 1
(Decrease) increase in cash and cash equivalents | (66,211) | 52,305
Cash and cash equivalents, beginning | 340,091 | 287,786
Cash and cash equivalents, ending | 273,880 | 340,091
Supplemental schedule of cash flow information: |  |
Interest paid | 5,058 | 2,513
Income taxes paid | 1,048 | 831
Noncash investing and financing activities: |  |
Accrued patent costs | 0 | 4,000
Distribution to noncontrolling interests in subsidiaries | 0 | 1,390
Rights Offering |  |
Cash flows from financing activities: |  |
Proceeds from Warrant Exercises | 0 | 79,111
Series B |  |
Cash flows from financing activities: |  |
Proceeds from Warrant Exercises | $ 0 | $ 49,000

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- Definition The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition Amount of increase (decrease) in deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-24 + Details
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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 + Details
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- Definition Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-13 + 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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- Definition Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 + Details
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