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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) | 9 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021
Cash flows from operating activities: |  |
Net (loss) income | $ (62,868,000) | $ (6,334,000)
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities: |  |
Depreciation and amortization | 11,977,000 | 1,713,000
Interest expense – debt discount | 26,958,000 | 61,000
Gain on extinguishment of debt |  | (929,000)
Change in fair value of warrant liability | (917,000) | (259,000)
Accretion of original issue discount on notes receivable – related party |  | (4,213,000)
Accretion of original issue discount on notes receivable | (618,000) | (366,000)
Increase in accrued interest on notes receivable – related party | (148,000) | (119,000)
Stock-based compensation | 5,746,000 | 4,732,000
Impairment of deposit due to vendor bankruptcy filing | 2,000,000 |
Impairment of cryptocurrencies | 2,930,000 |
Realized gains on sale of marketable securities | (19,194,000) | (15,154,000)
Unrealized losses on marketable securities | 16,937,000 | 6,353,000
Unrealized losses (gains) on investments in equity securities, related parties | 5,676,000 | 1,623,000
Unrealized gains on equity securities | (32,949,000) | (2,795,000)
Loss from investment in unconsolidated entity | 924,000 |
Loss on remeasurement of investment in unconsolidated entity | 2,700,000 |
Changes in operating assets and liabilities: |  |
Marketable equity securities | 68,532,000 | (34,196,000)
Accounts receivable | (3,022,000) | (1,270,000)
Accrued revenue | (109,000) | (166,000)
Inventories | (5,867,000) | (492,000)
Prepaid expenses and other current assets | 1,780,000 | (5,155,000)
Digital currencies | (12,227,000) |
Other assets | (2,944,000) | (407,000)
Accounts payable and accrued expenses | 8,974,000 | (1,082,000)
Other current liabilities |  | 2,210,000
Lease liabilities | (1,334,000) | (666,000)
Net cash provided by (used in) operating activities | 12,937,000 | (56,911,000)
Cash flows from investing activities: |  |
Purchase of property and equipment | (84,500,000) | (28,145,000)
Investment in promissory notes and other, related parties | (2,200,000) | (4,994,000)
Investments in common stock and warrants, related parties | (4,840,000) | (19,590,000)
Investment in real property, related party |  | (2,670,000)
Proceeds from sale of investment in real property, related party |  | 2,670,000
Purchase of SMC, net of cash received | (8,239,000) |
Purchase of GIGA, net of cash received | (3,687,000) |
Cash received upon acquisition of AVLP | 1,245,000 |
Acquisition of non-controlling interests | (3,901,000) |
Purchase of marketable equity securities | (1,981,000) | (2,144,000)
Sales of marketable equity securities | 11,748,000 | 430,000
Investments in loans receivable | (7,081,000) |
Principal payments on loans receivable | 10,525,000 |
Sale of digital currencies | 8,952,000 |
Investments in equity securities | (22,449,000) | (14,287,000)
Net cash used in investing activities | (106,408,000) | (68,730,000)
Cash flows from financing activities: |  |
Gross proceeds from sales of common stock | 167,983,000 | 160,483,000
Financing cost in connection with sales of common stock | (4,103,000) | (4,952,000)
Proceeds from sales of preferred stock | 3,873,000 |
Financing cost in connection with sales of preferred stock | (602,000) |
Proceeds from notes payable | 18,565,000 | 724,000
Repayment of margin accounts | (16,111,000) |
Payments on notes payable | (67,698,000) | (2,263,000)
Payments of preferred dividends | (239,000) | (13,000)
Purchase of treasury stock | (15,607,000) | (2,773,000)
Payments on revolving credit facilities, net |  | (125,000)
Net cash provided by financing activities | 86,061,000 | 151,081,000
Effect of exchange rate changes on cash and cash equivalents | 920,000 | (73,000)
Net (decrease) increase in cash and cash equivalents and restricted cash | (6,490,000) | 25,367,000
Cash and cash equivalents and restricted cash at beginning of period | 21,233,000 | 18,680,000
Cash and cash equivalents and restricted cash at end of period | 14,743,000 | 44,047,000
Supplemental disclosures of cash flow information: |  |
Cash paid during the period for interest | 5,202,000 | 712,000
Non-cash investing and financing activities: |  |
Conversion of convertible notes payable into shares of common stock |  | 449,000
Settlement of accounts payable with digital currency | 417,000 | 119,000
Conversion of investment in unconsolidated entity for acquisition of AVLP | 20,706,000 |
Conversion of convertible notes payable, related party into shares of common stock | 400,000 | 400,000
Conversion of debt and equity securities to marketable securities | 40,324,000 | 2,656,000
Conversion of loans receivable to marketable securities | 3,650,000 |
Conversion of interest receivable to marketable securities | 250,000 |
Conversion of loans receivable to debt and equity securities |  | 150,000
Recognition of new operating lease right-of-use assets and lease liabilities | $ 2,188,000 |

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