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Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net (loss) before non-controlling interest | $ (21,092,469) | $ (15,499,726) | $ (9,104,285)
Adjustments to reconcile net loss to net cash (used) in operating activities: |  |  |
Note payable interest accretion | (150,322) | 845,892 | 111,180
Accrued non-cash interest related to convertible debt | 121,398 |  |
Share-based compensation | 192,532 | 55,200 | 278,947
Depreciation and amortization | 9,322 | 116,434 | 453,466
Loss on debt extinguishment | 777,484 | 290,024 |
Director fees settled with equity instruments |  | 701,396 |
Change in derivatives liabilities fair value | 732,958 | 322,485 |
Debt modification inducement | 868,878 | 868,878 |
Right of use asset amortization | 132,764 | 53,233 |
Financed lender fees amortization | 52,213 |  |
Investment in unconsolidated entity | (870,794) | (747,333) | (752,667)
Gain on sale of equipment |  |  | (897,664)
Deferred revenue |  | (825,000) |
(Increase) decrease in: |  |  |
Accounts receivable | 261,336 | 367,828 | (578,156)
Other assets | 399,082 | 355,126 | 11,891
Increase (decrease) in: |  |  |
Accounts payable | 4,563,544 | 3,690,481 | 496,068
Accrued expenses and other | 5,583,783 | 3,960,783 | 3,528,805
NET CASH (USED) IN OPERATING ACTIVITIES | (9,287,169) | (5,444,299) | (6,452,415)
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Proceeds from sale of equipment |  |  | 1,003,662
Purchase of property and equipment |  | (15,492) | (9,624)
NET CASH PROVIDED BY INVESTING ACTIVITIES |  | (15,492) | 994,038
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Proceeds from issuance of loans payable | 3,620,977 | 3,271,181 | 1,925,000
Restricted cash held as collateral |  |  | (125)
Settlement receipts from contractual obligation |  |  | 15,000,000
Payment of contractual obligation |  |  | (14,000,000)
Proceeds from sale of common stock | 11,315,000 |  | 4,561,739
Payment of operating lease liability | (123,152) | (48,838) |
Repayment of loan and debt obligations | (286,198) | (346,130) | (349,598)
Offering costs paid on sale of common stock | (89,642) |  |
Proceeds from sale of equity of subsidiary | 800,000 |  |
NET CASH PROVIDED BY FINANCING ACTIVITIES | 15,236,985 | 2,876,213 | 7,137,016
NET INCREASE (DECREASE) IN CASH | 5,949,816 | (2,583,578) | 1,678,639
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR | 213,389 | 2,796,967 | 1,118,328
CASH AND CASH EQUIVALENTS AT END OF YEAR | 6,163,205 | 213,389 | 2,796,967
SUPPLEMENTARY INFORMATION: |  |  |
Interest paid | 1,275,269 | $ 1,544,663 | $ 1,247,337
Income taxes paid |  |  |
2019 Director fees paid with equity | 278,602 |  |
Accounts payable settled with equity | $ 50,000 |  |

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