v3.26.1
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Operating activities    
Net loss $ (10,960) $ (26,324)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Depletion, depreciation and amortization 1,428 1,271
Share-based compensation 3,512 2,605
Accretion of asset retirement obligations 597 1,073
Settlement of asset retirement obligations (1,757) (7,649)
Unrealized foreign exchange loss 782 1,423
Loss in unconsolidated affiliates 62 141
Realized gain on marketable securities (1,137) (188)
Gain on sale of assets (292) (355)
Amortization of debt issuance costs and other, net 989 (76)
Changes in current assets and liabilities:    
Marketable securities (3,700) 852
Inventories 5,900 (180)
Trade and other receivables 10,423 17,400
Prepaid expenses and other current assets (28) 236
Accounts payable, accrued liabilities and other current liabilities 2,504 (9,060)
Net cash provided by (used in) operating activities 8,323 (18,831)
Investing activities    
Additions to property, plant and equipment (2,752) (4,309)
Additions to mineral properties (9,064) (4,284)
Purchases of marketable securities (133,077) (37,209)
Proceeds from marketable securities 132,540 27,760
Contributions to investments (3,036) (5,682)
Proceeds from sale of assets 292 355
Net cash used in investing activities (15,097) (23,369)
Financing activities    
Issuance of common shares for cash, net of issuance costs 52,767 77,623
Cash received from exercise of stock options 2,101 123
Cash received from non-controlling interest 0 759
Net cash provided by financing activities 49,689 77,841
Effect of exchange rate fluctuations on cash held in foreign currencies 983 (1,069)
Net change in cash, cash equivalents and restricted cash 43,898 34,572
Cash, cash equivalents and restricted cash, beginning of period 87,204 58,605
Cash, cash equivalents and restricted cash, end of period 131,102 93,177
Supplemental disclosure of cash flow information:    
Cash paid for taxes 48 80
Cash paid for interest 32 56
Increase (decrease) in accrued capital expenditures and accounts payable for property, plant and equipment and mineral properties (1,147) 540
Restricted Stock Units (RSUs)    
Financing activities    
Cash paid to fund employee income tax withholding due upon vesting of restricted stock units (5,023) (664)
Stock Appreciation Rights (SARs)    
Financing activities    
Cash paid to fund employee income tax withholding due upon vesting of restricted stock units $ (156) $ 0