| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 |
|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||
Net loss | ||||||
-29,417 | -21,280 | -14,194 | - | - | - | - |
Net loss | ||||||
- | - | - | -6,699 | -12,019 | -15,052 | -16,656 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||
Non-cash interest expense | ||||||
- | - | 242 | 0 | - | - | - |
Amortization of debt financing costs | ||||||
- | - | - | - | - | - | 125 |
Option expense | ||||||
- | - | - | - | - | 959 | 1,129 |
Stock-based compensation | ||||||
2,612 | 1,318 | 418 | 63 | - | - | - |
Shares issued for services | ||||||
- | - | - | - | 78 | - | - |
Shares issued for services | ||||||
- | - | - | - | - | 306 | 69 |
Amortization of discount on notes payable due to warrants and beneficial conversion feature | ||||||
- | - | - | - | - | - | 1,613 |
Loss on extinguishment of debt | ||||||
- | - | - | - | - | - | -2,518 |
Depreciation | ||||||
58 | 27 | 3 | 3 | 351 | 387 | 335 |
Loss on disposal of property and equipment | ||||||
-57 | - | -2 | 0 | -1 | 0 | -2 |
Write-off of deferred financing costs | ||||||
- | - | 1 | 67 | - | - | - |
Impairment loss | ||||||
- | - | - | - | 0 | - | - |
Option expense | ||||||
- | - | - | - | -835 | - | - |
Changes in operating assets and liabilities | ||||||
Prepaid expenses | ||||||
- | - | - | 430 | - | - | - |
Prepaid expenses and other current assets | ||||||
-267 | 193 | 336 | - | - | - | - |
Accounts payable | ||||||
-472 | 937 | -287 | 140 | 37 | 6 | 147 |
Accrued expenses | ||||||
-2,602 | 2,609 | 68 | -102 | -41 | -183 | 928 |
Other non-current assets | ||||||
- | - | - | 0 | 547 | -513 | -104 |
Deferred revenue | ||||||
- | - | - | - | 443 | 138 | 3,733 |
Other noncurrent assets | ||||||
10 | 6 | 13 | - | -535 | 1,271 | - |
Net cash used in operating activities | ||||||
-29,506 | -16,587 | -14,095 | - | - | - | - |
Cash flows from investing activities: | ||||||
Other assets | ||||||
- | - | - | - | - | - | 177 |
Net cash used in operating activities | ||||||
- | - | - | -6,957 | -10,325 | -14,195 | -6,125 |
Cash acquired in merger, net of payment in lieu of fractional shares | ||||||
- | - | 1,030 | 0 | - | - | - |
Purchase of property and equipment | ||||||
178 | 95 | 62 | 1 | 92 | 190 | 259 |
Restricted cash | ||||||
- | - | - | - | - | - | -1,000 |
Net cash used in investing activities | ||||||
- | - | - | -1 | -92 | -190 | 740 |
Net cash used in investing activities | ||||||
-178 | -95 | 967 | - | - | - | - |
Cash flows from financing activities: | ||||||
Proceeds from issuance of common stock, net of issuance costs | ||||||
- | 42,622 | 21,506 | - | - | - | - |
Common stock sold for cash net of offering cost | ||||||
- | - | - | - | 13,282 | 648 | 28,484 |
Cash generated from exercise of warrants | ||||||
- | - | - | - | 4 | 0 | - |
Repurchase of fractional shares | ||||||
- | - | - | - | 5 | 0 | - |
Proceeds from third party debt | ||||||
- | - | - | - | - | - | 550 |
Proceeds from related party debt | ||||||
- | - | - | - | - | - | -100 |
Payment of deferred offering cost | ||||||
- | - | - | - | - | - | 147 |
Repayment on related party notes payable | ||||||
- | - | - | - | - | - | -100 |
Note payable - insurance | ||||||
- | - | - | - | 186 | - | 450 |
Costs associated with the issuance of common stock | ||||||
- | - | - | - | 0 | - | - |
Proceeds from issuance of common stock | ||||||
- | - | - | 0 | - | - | - |
Proceeds from issuance of Series B Convertible Redeemable Preferred stock, net | ||||||
- | - | - | 7,994 | - | - | - |
Deferred financing costs | ||||||
- | - | 68 | 0 | - | - | - |
Proceeds from exercise of stock options | ||||||
92 | 87 | - | - | - | - | - |
Proceeds from convertible notes payable | ||||||
- | - | 5,500 | 0 | - | - | - |
Net cash (used in) provided by financing activities | ||||||
- | - | - | 7,994 | 13,095 | 648 | 28,437 |
Net cash provided by financing activities | ||||||
92 | 42,710 | 26,938 | - | - | - | - |
Net decrease in cash and cash equivalents | ||||||
-29,593 | 26,026 | - | - | - | - | - |
Net decrease in cash and cash equivalents | ||||||
- | - | 13,810 | 1,035 | 2,677 | -13,738 | 23,052 |
Income taxes | ||||||
- | - | - | - | 0 | 0 | - |
Cash paid during the year for interest | ||||||
- | - | - | 0 | 2 | 1 | 19 |
Accretion of issuance costs on Series A Convertible Redeemable Preferred stock | ||||||
- | - | 51 | 14 | - | - | - |
Accretion of issuance costs on Series B Convertible Redeemable Preferred stock | ||||||
- | - | 127 | 27 | - | - | - |
Conversion of Series A Convertible Redeemable Preferred stock to common stock | ||||||
- | - | 4,166 | 0 | - | - | - |
Conversion of Series B Convertible Redeemable Preferred stock to common stock | ||||||
- | - | 8,149 | 0 | - | - | - |
Insurance premium financed through issuance of notes | ||||||
- | - | - | - | 184 | - | - |
Issuance of common stock for accrued interest | ||||||
- | - | - | - | - | - | 188 |
Conversion of notes payable to common stock | ||||||
- | - | - | - | - | - | 4,275 |
Conversion of convertible notes payable and accrued interest to common stock | ||||||
- | - | 5,674 | 0 | - | - | - |
Issuance of common stock in merger (Note 1) | ||||||
- | - | 6,978 | 0 | - | - | - |
Warrants | ||||||
- | - | - | - | - | - | 195 |
Beneficial conversion feature | ||||||
- | - | - | - | - | - | 141 |
Unpaid additions to property and equipment | ||||||
- | - | - | - | - | - | 108 |
Shares issued as deferred offering costs | ||||||
- | - | - | - | - | - | 1 |
Unpaid deferred offering costs | ||||||
- | - | - | - | - | - | 136 |