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v3.19.3.a.u2

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018 | Dec. 31, 2017
Cash flows from operating activities: |  |  |  |
Net loss | $ (21,371) | $ (8,353) | $ (19,222) | $ (45,117)
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |  |
Stock option compensation expense | 199 | (40) | (40) | 50
Restricted stock compensation expense | 4 | 35 | 98 | 79
Depreciation expense | 168 | 342 | 444 | 310
Loss on disposal of equipment |  |  | 0 | 18
Warrant liability fair value adjustment | (451) | (18,407) | (19,706) | (15,103)
Gain on warrant extinguishment | 0 | 1,123 | 0 | (9,613)
Non-cash interest income | (23) | (2) | (1) | (1)
Interest expense accrued related to convertible notes | 33 | 0 | 402 | 0
Debt discount and deferred finance costs amortization |  |  | 7,572 | 21,544
Loss on issuance of financial instrument | 1,721 | 2,826 | 2,826 | 0
Loss on debt settlements and extinguishments |  |  | 1,123 | 29,924
Amortization of right of use assets | 1,535 | 0 |  |
Equitization of expenses | 1,474 | 0 |  |
Loss on issuance of financial instrument | 1,715 | 2,826 |  |
Debt discount amortization | 4,467 | 3,381 |  |
Changes in assets and liabilities: |  |  |  |
Prepaid expenses and other assets | 43 | 171 | (218) | 7
Accounts receivable | 564 | (60) | (293) | 108
Inventories | 85 | 289 | 385 | (543)
Accounts payable and accrued expenses | (4,289) | 5,662 | 8,163 | 3,180
Deferred revenue | (360) | 0 | 3,503 | (32)
Interest payments on financing lease | (3) | 0 |  |
Payments on operating leases | (1,485) | 0 |  |
Other non-current liabilities | (627) | 139 | 232 | (209)
Net cash used in operating activities | (18,322) | (12,894) | (14,732) | (15,398)
Cash flows from investing activities: |  |  |  |
Purchase of property, plant and equipment | (2) | (59) | (76) | (524)
Net cash (used in) provided by investing activities | (2) | (59) | (76) | (524)
Cash flows from financing activities: |  |  |  |
Expenses from the release of restricted cash |  |  | 0 | (1,212)
Cash paid pursuant to Exchange Agreement |  |  | 0 | (804)
Net proceeds from convertible note debt financing | 0 | 5,727 | 5,664 | 0
Net proceeds from sale of stock |  |  | 10,917 | 15
Net proceeds from exercise of warrants |  |  | 520 | 0
Repayment of convertible note debt |  |  | (4,870) | 0
Net cash provided by (used in) financing activities | 30,330 | 17,524 | 13,236 | (10,517)
Net proceeds from the issuance of debt | 3,719 | 0 |  |
Principal payments on financing leases | (49) | 0 |  |
Net proceeds from sale of common stock and warrants | 0 | 11,797 |  |
Foreign currency effects on cash, cash equivalents and restricted cash | (69) | 80 | (174) | 67
Net increase in cash, cash equivalents and restricted cash | 11,937 | 4,651 | (1,746) | (26,372)
Cash, cash equivalents and restricted cash: |  |  |  |
Beginning of period | 3,578 | 5,324 | 5,324 | 31,696
End of period | 15,515 | 9,975 | 3,578 | 5,324
Supplemental non-cash financing activities: |  |  |  |
Conversion of convertible notes |  |  | 0 | 40,121
Fair value of warrants issued | 20,844 | 28,539 | 28,539 | 16,953
Cashless exercise of warrants |  |  | 0 | 2,537
Deemed dividend |  |  | 0 | 527
Fair value of warrants exercised for cash |  |  | 0 | 19
Series B and Series C Preferred Shares [Member] |  |  |  |
Cash flows from financing activities: |  |  |  |
Net proceeds from sale of Preferred Stock |  |  | 0 | 2,310
Series A and Series B Preferred Shares [Member] |  |  |  |
Cash flows from financing activities: |  |  |  |
Cash paid to redeem preferred shares |  |  | 0 | (2,360)
Series C Preferred Shares [Member] |  |  |  |
Cash flows from financing activities: |  |  |  |
Cash paid to redeem preferred shares |  |  | 0 | (590)
Series D Preferred Shares [Member] |  |  |  |
Cash flows from financing activities: |  |  |  |
Net proceeds from sale of Preferred Stock | 150 | 0 | 1,005 | 0
Series E Preferred Stock and Warrants [Member] |  |  |  |
Cash flows from financing activities: |  |  |  |
Net proceeds from sale of Series E Preferred Stock and warrants | $ 26,510 | $ 0 |  |
Series C Warrants [Member] |  |  |  |
Cash flows from financing activities: |  |  |  |
Cash paid to extinguish of Series C Warrants |  |  | $ 0 | $ (7,876)

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