XML 14 R5.htm IDEA: XBRL DOCUMENT v3.23.1
CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Operating activities:    
Net loss $ (380) $ (514)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation 6 8
Amortization of right of use lease asset 10 10
Unrealized gain on marketable equity securities (329) (213)
Unrealized (gain) loss on short-term investments (21) 51
Employee stock option expense 67 13
Loss on sale of marketable equity securities   81
Loss on derivative instruments   1
Changes in operating assets and liabilities:    
Prepaid expenses and other assets 12 (14)
Accounts payable and other current liabilities (50) (20)
Net cash used in operating activities (685) (597)
Investing activities:    
Sale (Purchase) of short-term investments, net 809 (1,578)
Cash from sale of marketable equity securities   26
Purchase of mineral properties   (10)
Net cash (used in) provided by investing activities 809 (1,562)
Financing activities:    
Issuance of common stock, net   2,023
Stock options exercised   19
Net cash provided by financing activities   2,042
Net (decrease) increase in cash and cash equivalents 124 (117)
Cash and cash equivalents, beginning of period 316 462
Cash and cash equivalents, end of period $ 440 $ 345