| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | ||
|---|---|---|---|---|---|---|
Cash flows from operating activities | ||||||
Net loss - before noncontrolling interest | ||||||
-17,268 | -18,172 | - | - | - | ||
Net loss - before noncontrolling interest | ||||||
- | - | -9,519 | - | - | ||
Net loss | ||||||
- | - | - | -5,650 | -1,776 | ||
Adjustments to reconcile net loss - before NCI to net cash used in operating activities | ||||||
Depreciation expense | ||||||
14 | 9 | 7 | 3 | - | ||
Stock-based compensation | ||||||
1,570 | 1,228 | 1,048 | 747 | - | ||
Interest expense added to principal of Senior Secured Note | ||||||
- | 591 | - | - | - | ||
Interest expense added to principal of Senior Secured Note | ||||||
- | - | 188 | 0 | - | ||
Interest expense - amortization of debt discount - Senior Secured Note | ||||||
- | 1,606 | 347 | - | - | ||
Debt extinguishment - Senior Secured Convertible Notes | ||||||
-1,831 | - | - | - | - | ||
Debt extinguishment - Senior Secured Note | ||||||
- | -1,408 | - | - | - | ||
Change in fair value - Senior Secured Convertible Note | ||||||
558 | 903 | - | - | - | ||
Modification expense - Series Z Warrant | ||||||
- | 1,140 | - | - | - | ||
Series A and Series A-1 Exchange Offer - March 15, 2018 | ||||||
- | -349 | - | - | - | ||
Modification expense - Series A-1 Warrant | ||||||
- | - | 222 | - | - | ||
Modification of Series A-1 Warrant agreement | ||||||
- | - | - | 0 | - | ||
Amortization of discount - Senior Secured Note | ||||||
- | - | - | 0 | - | ||
Series W Warrants Exchange Offer - April 5, 2018 | ||||||
- | 766 | - | - | - | ||
Unit Purchase Options Exchange Offer - August 22, 2018 | ||||||
- | 2 | - | - | - | ||
Loss - Series A Preferred Stock Units private placement | ||||||
- | - | 3,124 | 0 | - | ||
Change in fair value - Series A Warrants derivative liability | ||||||
- | 96 | -1,942 | 0 | - | ||
Change in fair value - Series A Convertible Preferred Stock conversion option derivative liability | ||||||
- | -64 | -643 | 0 | - | ||
Expense attributable to contributed services | ||||||
- | - | - | - | 133 | ||
Changes in operating assets and liabilities: | ||||||
Prepaid expenses and other current assets | ||||||
90 | 149 | -67 | 146 | 5 | ||
Accounts payable | ||||||
613 | 872 | -83 | 877 | 100 | ||
Accrued expenses and other current liabilities | ||||||
56 | 623 | 575 | -286 | 298 | ||
Deposits - Long-Term | ||||||
-643 | - | - | - | - | ||
Net cash flows used in operating activities | ||||||
-13,357 | -8,787 | -6,608 | - | - | ||
Cash flows from investing activities | ||||||
Net cash flows used in operating activities | ||||||
- | - | - | -4,454 | -1,249 | ||
Purchase of equipment | ||||||
27 | 26 | 5 | 21 | - | ||
Net cash flows used in investing activities | ||||||
-27 | -26 | -5 | - | - | ||
Cash flows from financing activities | ||||||
Proceeds from issuance of Series A-1 Preferred Stock Units | ||||||
- | - | - | 0 | - | ||
Proceeds - issue of Senior Secured Convertible Note | ||||||
- | 7,000 | 4,842 | 0 | - | ||
Repayment of debt - Senior Secured Note | ||||||
- | 5,000 | - | - | - | ||
Payment - offering costs - underwritten public offering | ||||||
- | - | - | 1,004 | - | ||
Proceeds - issue of units in an equity subscription rights offering | ||||||
- | 9,437 | - | - | - | ||
Payment - offering costs - equity subscription rights offering | ||||||
- | 225 | - | - | - | ||
Proceeds - issue of common stock in an underwritten public offering | ||||||
- | 4,388 | - | 5,300 | - | ||
Payment - offering costs - underwritten public offering | ||||||
- | -113 | - | - | - | ||
Proceeds - issue of common stock of majority-owned subsidiary | ||||||
- | 1 | - | - | - | ||
Proceeds - issue of common stock- registered offerings | ||||||
5,480 | - | - | - | - | ||
Payment - offering costs - registered offerings | ||||||
101 | - | - | - | - | ||
Proceeds - issue of Senior Convertible Note | ||||||
6,300 | - | - | - | - | ||
Net cash flows used in investing activities | ||||||
- | - | - | -21 | - | ||
Payment - issue of Senior Convertible Note | ||||||
85 | - | - | - | - | ||
Payment - issue of Senior Convertible Note - non-installment | ||||||
279 | - | - | - | - | ||
Proceeds - issue of common stock under employee stock purchase plan | ||||||
67 | - | - | - | - | ||
Payment - Series A Convertible Preferred Stock Dividends | ||||||
- | 7 | - | - | - | ||
Proceeds - issue of Series A Preferred Stock Units private placement | ||||||
- | - | 2,537 | 0 | - | ||
Payment - offering costs - Series A Preferred Stock Units private placement | ||||||
- | - | 388 | 0 | 72 | ||
Proceeds - issue of Series A-1 Preferred Stock Units private placement | ||||||
- | - | 500 | - | - | ||
Proceeds - issue of common stock upon exercise of warrants, net | ||||||
- | 20 | 71 | - | - | ||
Net cash flows provided by financing activities | ||||||
11,381 | 15,501 | 7,562 | - | - | ||
Net increase (decrease) in cash | ||||||
-2,002 | 6,687 | - | - | - | ||
Proceeds from common stock issued upon exercise of warrants | ||||||
- | - | - | 0 | 1,250 | ||
Net cash flows provided by financing activities | ||||||
- | - | - | 4,295 | 1,177 | ||
Net (decrease) increase in cash | ||||||
- | - | 949 | -181 | -71 | ||
Deferred offering costs in connection with initial public offering | ||||||
- | - | - | - | 365 | ||