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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Cash flows from operating activities: |  |
Net loss | $ (23,971,000) | $ (32,727,000)
Less: Net income from discontinued operations |  | 661,000
Net loss from continuing operations | (23,971,000) | (33,388,000)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation | 2,103,000 | 392,000
Amortization | 375,000 | 336,000
Amortization of right-of-use assets | 950,000 | (140,000)
Amortization, related party | 30,000 |
Interest expense – debt discount | 1,076,000 | 7,251,000
(Gain) loss on extinguishment of debt | (929,000) | 18,706,000
Change in fair value of warrant liability | 542,000 | 49,000
Accretion of original issue discount on notes receivable |  | 22,000
Impairment of debt securities, net | 5,090,000 |
Accretion of original issue discount on notes receivable | 21,000 | (62,000)
Increase in accrued interest on notes receivable – related party | (235,000) | (1,000)
Stock-based compensation | 7,750,000 | 1,106,000
Impairment of cryptocurrencies | 403,000 | (5,000)
Realized losses on other investments |  | 39,000
Realized gains on sale of marketable securities | (21,187,000) | (75,000)
Unrealized (gains) losses on marketable equity securities | 14,127,000 | (796,000)
Unrealized (gains) losses on equity securities – related party | 5,754,000 | (298,000)
Unrealized (gains) losses on equity securities | (10,734,000) | 73,000
Loss from equity investment | 311,000 |
Provision for loan losses |  | (2,000,000)
Changes in operating assets and liabilities: |  |
Marketable equity securities | (29,398,000) |
Accounts receivable | (1,407,000) | (641,000)
Accrued revenue | (498,000) | 645,000
Inventories | (2,031,000) | 183,000
Prepaid expenses and other current assets | (5,548,000) | (1,613,000)
Digital currencies | (3,450,000) |
Other assets | (1,526,000) | (88,000)
Accounts payable and accrued expenses | 1,613,000 | (364,000)
Accounts payable, related parties | 17,000 | (28,000)
Other current liabilities |  | (650,000)
Lease liabilities | (919,000) | 168,000
Net cash used in continuing operating activities | (61,671,000) | (11,179,000)
Net cash provided by discontinued operating activities |  | 1,000
Net cash used in operating activities | (61,671,000) | (11,178,000)
Cash flows from investing activities: |  |
Purchase of property and equipment | (151,993,000) | (582,000)
Acquisition of Relec, net of cash acquired |  | (3,628,000)
Investments in convertible promissory notes of AVLP and Alzamend, related parties | (7,344,000) | (2,118,000)
Investment in term promissory note of Ault & Company, related party | (2,500,000) |
Investments in common stock and warrants, related parties | (20,163,000) | (354,000)
Investment in real property, related party | (2,670,000) |
Proceeds from sale of investment in real property, related party | 2,670,000 |
Acquisition of Imperalis, net of cash acquired | (165,000) |
Purchase of marketable equity securities | (2,765,000) | (1,425,000)
Sales of marketable equity securities | 4,062,000 | 373,000
Investments in loans receivable | (18,235,000) |
Proceeds from loans receivable |  | 140,000
Investment of Ault Disruptive initial public offering proceeds into trust account | (116,725,000) |
Investments in equity securities | (17,623,000) | (189,000)
Net cash used in investing activities | (333,451,000) | (7,783,000)
Cash flows from financing activities: |  |
Gross proceeds from sales of common stock | 200,053,000 | 39,978,000
Financing cost in connection with sales of equity securities | (5,941,000) | (1,652,000)
Proceeds from warrant exercises | 4,724,000 | 53,000
Proceeds from convertible notes payable |  | 100,000
Proceeds from notes payable | 84,909,000 | 9,722,000
Proceeds from short-term advances |  | 570,000
Payments on short-term advances |  | (570,000)
Proceeds from margin accounts | 18,488,000 |
Proceeds from short-term advances – related party |  | 653,000
Payments on short-term advances – related party |  | (323,000)
Payments on notes payable | (2,461,000) | (8,784,000)
Payments on advances on future receipts |  | (2,351,000)
Payments of preferred dividends | (18,000) | (18,000)
Purchase of treasury stock | (13,180,000) |
Proceeds from initial public offering of Ault Disruptive | 112,125,000 |
Payment of deferred offering costs of Ault Disruptive initial public offering | (633,000) |
Payments on revolving credit facilities, net | (125,000) | (97,000)
Net cash provided by financing activities | 397,941,000 | 37,281,000
Effect of exchange rate changes on cash and cash equivalents | (266,000) | (123,000)
Net increase in cash and cash equivalents and restricted cash | 2,553,000 | 18,197,000
Cash and cash equivalents and restricted cash at beginning of period | 18,680,000 | 483,000
Cash and cash equivalents and restricted cash at end of period | 21,233,000 | 18,680,000
Supplemental disclosures of cash flow information: |  |
Cash paid during the period for interest | 257,000 | 658,000
Non-cash investing and financing activities: |  |
Conversion of convertible notes payable into shares of common stock | 449,000 | 24,781,000
Payment of accounts payable with digital currency | 890,000 |
Issuance of common stock in payment of liability |  | 1,537,000
Cancellation of short-term advances, related party into shares of common stock |  | 740,000
Issuance of notes payable and convertible notes payable in payment of accrued expenses |  | 420,000
Conversion of equity securities to marketable securities | 2,656,000 |
Conversion of loans receivable to equity securities | 4,250,000 |
Conversion of convertible notes payable, related party into shares of common stock | 400,000 | 600,000
Remeasurement of Ault Disruptive temporary equity | 1,712,000 |
Deferred offering costs of Ault Disruptive | 3,579,000 |
Recognition of new operating lease right-of-use assets and lease liabilities | 1,875,000 |
Amounts receivable from issuance of promissory notes | 6,900,000 |
Issuance of notes payable for purchase of property and equipment | $ 22,000,000 |

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