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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) | 9 Months Ended
--- | ---
Sep. 30, 2020 | Sep. 30, 2019
Cash flows from operating activities: |  |
Net loss | $ (24,641,437) | $ (21,110,774)
Less: Net loss from discontinued operations | (1,697,744) | (717,426)
Net loss from continuing operations | (22,943,693) | (20,393,348)
Adjustments to reconcile net loss to net cash (used in) operating activities: |  |
Depreciation | 357,083 | 2,392,937
Amortization | 251,968 | 400,661
Amortization of right-of-use assets | 46,830 | 10,563
Interest expense - debt discount | 2,379,196 | 3,034,454
Fair value of warrants issued to extinguish debt | 2,749,259 |
Fair value in excess of proceeds upon issuance of warrants |  | 1,763,481
Change in fair value of warrant liability |  | (1,112,665)
Accretion of original issue discount on notes receivable - related party | 20,532 | (1,869,778)
Accretion of original issue discount on notes receivable | (4,538) | (77,155)
Increase in accrued interest on notes receivable - related party |  | (732,542)
Stock-based compensation | 272,466 | 1,354,062
Impairment of property and equipment |  | 4,315,856
Realized losses on other investments | 27,500 |
Realized (gains) losses on sale of digital currencies |  | (394)
Realized (gains) losses on sale of marketable securities | (22,602) | (86,741)
Unrealized (gains) losses on marketable equity securities | 132,106 | (294,717)
Unrealized losses on equity securities - related party | (25,176) | 371,970
Unrealized losses on equity securities | 72,976 | 24,597
Changes in operating assets and liabilities: |  |
Accounts receivable | (590,502) | (398,222)
Accounts receivable, related party |  | 2,648,798
Accrued revenue | 599,604 | (41,760)
Digital currencies | (14) | (599,025)
Inventories | (198,930) | 613,847
Prepaid expenses and other current assets | (750,069) | (33,812)
Other assets | (86,143) | (433,013)
Accounts payable and accrued expenses | 11,988,091 | 1,155,024
Accounts payable, related parties | (26,035) | 4,526
Other current liabilities | 407,910 | (354,773)
Lease liabilities | (13,047) | 16,216
Net cash (used in) continuing operating activities | (5,355,228) | (8,320,953)
Net cash provided by (used in) discontinued operating activities | 1,246 | 62,205
Net cash used in operating activities | (5,353,982) | (8,258,748)
Cash flows from investing activities: |  |
Purchase of property and equipment | (554,462) | (137,263)
Investments - related party | (516,634) | (1,501,912)
Investments in warrants and common stock - related party | (93,222) | (1,102,619)
Sales of marketable equity securities | 143,667 | 571,741
Proceeds from loans receivable | 139,933 |
Investments in debt and equity securities | (13,260) | (504,393)
Net cash used in investing activities | (893,978) | (2,674,446)
Cash flows from financing activities: |  |
Gross proceeds from sales of common stock and warrants |  | 15,945,371
Proceeds from issuance of Series A Convertible Preferred Stock |  | 131,741
Financing cost in connection with sales of equity securities | (25,000) | (1,401,764)
Proceeds from warrant exercises |  | 127,000
Proceeds from convertible notes payable | 100,000 | 500,000
Proceeds from notes payable | 7,122,434 | 4,752,918
Proceeds from short-term advances | 570,000 |
Payments on short-term advances | (30,000) |
Proceeds from short-term advances - related party | 653,124 | 625,500
Payments on short-term advances - related party | (230,366) |
Payments on notes payable | (289,012) | (2,001,474)
Payments on convertible notes payable |  | (7,079,547)
Proceeds from advances on future receipts |  | 941,804
Payments on advances on future receipts | (762,076) | (1,365,435)
Payments of preferred dividends | (10,327) | (12,437)
Payments on revolving credit facilities, net | (44,363) | (80,445)
Net cash provided by financing activities | 7,054,414 | 11,083,232
Effect of exchange rate changes on cash and cash equivalents | (15,429) | (165,125)
Net increase in cash and cash equivalents | 791,025 | (15,087)
Cash and cash equivalents at beginning of period | 483,383 | 769,619
Cash and cash equivalents at end of period | 1,274,408 | 754,532
Supplemental disclosures of cash flow information: |  |
Cash paid during the period for interest | 100,939 | 1,850,946
Non-cash investing and financing activities: |  |
Cancellation of convertible note payable into shares of common stock | 16,710,803 | 4,736,295
Payment of accounts payable with digital currency |  | 594,320
Issuance of common stock in payment of liability | 228,701 | 108,521
Cancellation of short term advances, related party into shares of common stock | 739,948 |
Conversion of loans receivable for marketable equity securities |  | 485,000
Conversion of loans receivable for investments in warrants and common stock - related party |  | 91,483
Issuance of notes payable and convertible notes payable in payment of accrued expenses | $ 420,000 |

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