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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) | 9 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Cash Flows from Operating activities: |  |
Net loss | $ (21,620,830) | $ (27,045,755)
Adjustments to reconcile net income (loss) to net cash |  |
Depreciation expense | 1,541,860 | 1,638,999
Amortization of mining rights | 911,753 | 926,949
Accretion expense | 743,631 | 744,885
Amortization of finance right-to-use assets - related party | 378,889 | 252,594
Amortization of issuance costs and debt discount | 86,736 | 83,225
Investment in other entities - Related Parties, net | 56,798 | 394,714
Allowance for losses on note receivable | 280,000 | 99,022
Gain on sale of equipment | 0 | (400,000)
Noncash stock based compensation expense | 1,827,272 | 2,848,215
Issuance of common shares for services | 0 | 143,575
Unrealized gain on short-term investments | 4,456 | 4,973
Change in current assets and liabilities: |  |
Receivables | (11,558) | (85,991)
Inventories | (118,300) | (829,998)
Prepaid expenses and other current assets | (19,328) | 11,468
Accounts payable | 1,638,696 | 2,865,965
Accrued interest | 1,134,563 | (6,844)
Accrued expenses | (59,193) | (183,568)
Accounts payable related party | 728,558 | 531,134
Due from related party | (40,000) | 0
Accrued interest on finance lease liability - related party | 247,107 | 89,999
Operating lease assets and liabilities, net | 94,418 | 3,900
Operating lease assets and liabilities, net - related party | 387,946 | 612,505
Deferred finance lease payments | (1,080,089) | (249,835)
Other Liabilities | 41,199 | 0
Cash used in operating activities | (10,685,238) | (17,549,869)
Cash Flows from Investing activities: |  |
Purchase of property and equipment, net of capitalized interest income and (expense) | 268,758 | 2,247,364
Proceeds from sale of equipment | 0 | 400,000
Proceeds from short-term investments, net | 582,901 | 1,191,608
Restricted investments purchased | (151,799,490) | (149,732,440)
Restricted investments sold | 154,878,566 | 6,673
Decrease in restricted cash |  | 0
Cash (used in) provided by investing activities | 3,930,735 | (145,900,141)
Cash Flows from Financing activities: |  |
Proceeds from convertible promissory note | 6,122,330 | 0
Proceeds from convertible promissory note - related party | 299,731 | 894,172
Proceeds from tax exempt bonds, net | 0 | 149,719,208
Proceeds from the exercise of stock options and warrants | 0 | 189,236
Proceeds from long term debt | 965,286 | 0
Deferred repayments of finance lease - related party | 0 | 0
Proceeds received from other financing obligation | 10,030,589 | 0
Repayments of other financing obligation | (8,076,287) | (5,737,299)
Cash provided by (used in) financing activities | 9,341,649 | 145,065,317
Increase (decrease) in cash | 2,587,146 | (18,384,693)
Cash and cash equivalents, including restricted cash, beginning of period | 4,113,329 | 30,874,762
Cash and cash equivalents, including restricted cash, end of period | 6,700,475 | 12,490,069
SUPPLEMENTAL CASH FLOW INFORMATION |  |
Common stock issued to settle accounts payable and accrued expenses | 2,415,499 | 0
Cashless exercise of warrants | 0 | 87
Dividend-in-kind of Novustera, Inc. common stock to shareholders | $ 0 | 1,361,789
Acquisition of assets through finance lease - related party |  | $ 19,786,394

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