v3.20.1

Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Cash flows from operating activities: |  |
Net Loss | $ (37,162,827) | $ (36,502,316)
Adjustments to reconcile net loss to net cash used in operations: |  |
Depreciation | 388,401 | 348,339
Amortization of discount and debt issuance costs on long-term debt | 3,518,356 | 4,598,089
Amortization of discount on mandatory redeemable Series B preferred stock | 852,869 | 0
Change in fair value of Convertible Note and loss on conversion to common stock | 1,064,817 | 0
Change in fair value of warrant liability | 15,369,253 | (2,683,470)
Dividends for mandatory redeemable Series B preferred stock paid in common stock | 1,166,771 | 0
Stock-based compensation | 1,979,998 | 1,059,582
Write down of inventory | 694,448 | 2,488,100
Gain on divestiture | (3,655,000) | 0
Investment received from license of intellectual property | (12,194,800) | 0
Loss on sale of fixed assets | 19,367 | 28,645
Effects of changes in operating assets and liabilities: |  |
Accounts and lease receivable | 76,163 | 1,024,366
Inventory | 41,022 | (399,774)
Prepaid expenses and deposits | (4,367,928) | (1,328,461)
Accounts payable and accrued liabilities | (3,502,682) | 2,399,877
Warranty liability | (1,056,905) | 6,916,209
Accounts payable, related parties | 0 | (54,914)
Customer deposits | (103,000) | 351,595
Net cash used in operating activities | (36,871,677) | (21,754,133)
Cash flows from investing activities: |  |
Capital expenditures | (2,005,498) | (23,222)
Net proceeds received on divestiture | 3,655,000 | 0
Proceeds from sale of fixed assets | 5,000 | 4,800
Net cash provided by (used in) investing activities | 1,654,502 | (18,422)
Cash flows from financing activities: |  |
Proceeds from notes payable | 5,854,140 | 0
Payments on notes payable | (5,854,140) | (5,750,000)
Proceeds from issuance of mandatory redeemable Series B preferred stock | 25,000,000 | 0
Proceeds from issuance of Convertible Note | 38,950,000 | 0
(Repayment) proceeds, Duke financing obligation | (1,340,700) | 1,340,700
Proceeds from long-term debt | 0 | 17,800,000
Payments on long-term debt | (10,000,000) | (9,891,378)
Loan issuance costs | 0 | (792,221)
Proceeds from issuance of common stock | 5,928,235 | 16,418,662
Proceeds from exercise of warrants and options | 35,306 | 90,065
Net cash provided by financing activities | 58,572,841 | 19,215,828
Change in cash, cash equivalents and restricted cash | 23,355,666 | (2,556,727)
Cash, cash equivalents, and restricted cash beginning balance | 1,512,750 | 4,069,477
Cash, cash equivalents, and restricted cash ending balance | 24,868,416 | 1,512,750
Interest paid | 7,193,613 | 1,128,470
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | 1,512,750 | 1,512,750
Conversion of accounts payable |  | 298,350
Marathon |  |
Warrants to purchase common stock |  | $ 965,747
Arosa |  |
Warrants to purchase common stock | $ 3,540,542 |

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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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