v3.25.4
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Operating activities:    
Net loss $ (3,833) $ (5,368)
Adjustments to reconcile net loss to net cash used in operating activities:    
Realized and unrealized gain on marketable equity securities (680) (343)
Realized and unrealized loss on derivative instruments 336 29
Stock-based compensation expense 583 666
Issuance of shares for mineral lease payment 53 0
Depreciation 20 27
Amortization of right of use lease asset 40 42
Increase in asset retirement and reclamation liabilities 0 20
Changes in operating assets and liabilities:    
Prepaid expenses and other current assets 5 207
Accounts payable and other current liabilities (94) (379)
Net cash used in operating activities (3,570) (5,099)
Investing activities:    
(Purchase) sale of short-term investments - net (3,050) 3,913
Additions to mineral properties (31) (55)
Cash from sale of marketable equity securities 1,708 54
Cash paid for settlement of derivative instruments (403) 0
Sale of derivative instruments - net 0 38
Additions to other assets 0 (12)
Net cash (used by) provided by investing activities (1,776) 3,938
Financing activities:    
Issuance of common stock - net of issuing costs 5,141 1,218
Issuance of common stock upon exercise of stock options 206 54
Net cash provided by financing activities 5,347 1,272
Net increase in cash, cash equivalents and restricted cash 1 111
Cash, cash equivalents and restricted cash, beginning of year 311 200
Cash, cash equivalents and restricted cash, end of year $ 312 $ 311