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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
OPERATING ACTIVITIES |  |  |
Net Income (Loss) | $ (47,841) | $ 99,756 | $ (59,944)
Items not involving cash: |  |  |
Depreciation, Depletion and Amortization | 3,127 | 2,751 | 3,269
Share-Based Payment Arrangement, Noncash Expense | 5,414 | 4,625 | 4,641
Gain On Disposal Of Non-Core Assets | (74) | (119,257) | (366)
Income (Loss) from Equity Method Investments | 175 | 0 | 0
Debt Securities, FV-NI, Gain (Loss) | 0 | (1,430) | 0
Accretion of asset retirement obligations | 2,068 | 1,192 | 1,556
Payments for Environmental Liabilities | (3,206) | 0 | 0
Unrealized Gain (Loss), Foreign Currency Transaction, before Tax | (223) | (431) | (2,080)
Unrealized Gain (Loss) on Investments | 0 | (15,472) | 16,808
Realized Investment Gains (Losses) | 0 | 10,491 | 0
Realized gain on maturities of marketable securities | 2,310 | 1,141 | 0
Miscellaneous non-cash income (expenses) | 71 | 84 | (93)
Increase (Decrease) in Operating Capital [Abstract] |  |  |
Increase (Decrease) in Debt Securities, Trading, and Equity Securities, FV-NI | 8,989 | 530 | 456
Increase (Decrease) in Inventories | 13,038 | (100) | (8,571)
Increase (Decrease) in Accounts and Other Receivables | (16,814) | (237) | 1,837
Increase (Decrease) in Prepaid Expense | (3,130) | 423 | (8,886)
Increase (Decrease) in Accounts Payable and Accrued Liabilities | (3,257) | 2,807 | 1,671
Net Cash Provided by (Used in) Operating Activities, Total | (43,973) | (15,409) | (49,702)
Net Cash Provided by (Used in) Investing Activities [Abstract] |  |  |
Payments to Acquire Property, Plant, and Equipment | (22,174) | (15,437) | (1,996)
Purchase Of Mineral Properties | (7,209) | (29,273) | 0
Payments to Acquire Intangible Assets | (1,639) | 0 | 0
Payments to Acquire Marketable Securities | (237,450) | (174,622) | (11,435)
Proceeds from Sale and Maturity of Marketable Securities | 282,960 | 79,041 | 0
Purchase Of Investments, Without A Readily Determinable Fair Value | (11,029) | (1,324) | 0
Proceeds For Deposits For Assets Held-For-Sale | 0 | 0 | 6,000
Disposal On Non-Core Assets, Investing Activities | 74 | 56,875 | 366
Payment for Contingent Consideration Liability, Investing Activities | (16,830) | 0 | 0
Proceeds from Sale and Collection of Notes Receivable | 0 | 60,887 | 0
Net Cash Provided by (Used in) Investing Activities, Total | (13,297) | (23,853) | (7,065)
Net Cash Provided by (Used in) Financing Activities [Abstract] |  |  |
Proceeds From Issuance Of Common Stock And Warrants | 16,619 | 31,813 | 7,886
Payment, Tax Withholding, Share-Based Payment Arrangement | (837) | (918) | (884)
Proceeds from Stock Options Exercised | 357 | 970 | 753
Payment, Tax Withholding, Share-Based Payment Arrangement, Due Upon Exercise Of Award | (552) | (1,533) | (11)
Proceeds from Noncontrolling Interests | 0 | 83 | 126
Net Cash Provided by (Used in) Financing Activities, Total | 15,587 | 30,415 | 7,870
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations | (1,742) | 12 | (66)
Cash Acquired from Acquisition | 27,006 | 0 | 0
Restricted Cash And Cash Equivalents, Held-For-Sale | 0 | 0 | 3,590
Release Of Restricted Cash | 0 | 3,590 | 0
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total | (16,419) | (5,245) | (52,553)
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance | 75,024 | 80,269 | 132,822
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Ending Balance | 58,605 | 75,024 | 80,269
Non-cash investing and financing transactions: |  |  |
Income Taxes Paid, Net | 1,885 | 0 | 0
Interest Paid, Including Capitalized Interest, Operating and Investing Activities | 200 | 186 | 25
Increase (Decrease) In Capital Expenditures Incurred But Not Yet Paid | 146 | 701 | (161)
Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Shares Issued | 178,438 | 0 | 0
Noncash Or Part Noncash, Shares Issued For Joint Venture Interests | 3,500 | 0 | 0
Noncash Or Part Noncash, Shares Issued For Acquisition Of Intangible Assets | 1,500 | 0 | 0
Noncash Or Part Noncash, Contingent Consideration For Acquisition Of Intangible Assets | 1,690 | 0 | 0
Stock Issued During Period, Value, Issued for Services | 0 | 0 | 205
Noncash Acquisition Of Convertible Note | $ 0 | $ 59,457 | $ 0

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