| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 |
|---|---|---|---|---|---|---|
Operating activities | ||||||
Net loss | ||||||
-7,125 | -7,566 | -12,229 | -10,748 | -12,121 | -13,247 | -2,836 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||
Stock-based compensation expense | ||||||
1,373 | 1,539 | 1,819 | 1,706 | 1,504 | 1,102 | 145 |
Non-cash interest | ||||||
- | - | - | 120 | 55 | 59 | 23 |
Deferred rent expense | ||||||
- | - | - | - | 12 | -5 | -6 |
Financing costs allocated to warrant liability | ||||||
- | - | - | 533 | - | - | - |
Change in fair value of warrant liability | ||||||
- | -433 | 1,005 | -597 | - | - | 82 |
Change in operating assets and liabilities: | ||||||
Prepaid expenses and other assets | ||||||
116 | 78 | -24 | -554 | -98 | 287 | 234 |
Other assets | ||||||
- | - | - | - | - | - | 555 |
Accounts payable and accrued expenses | ||||||
106 | -440 | 663 | -276 | -20 | 866 | 327 |
Net cash used in operating activities | ||||||
- | - | - | -8,707 | -10,495 | -11,501 | -3,040 |
Proceeds from bank line of credit | ||||||
- | - | - | - | - | 4,500 | 2,000 |
Payment on bank loan | ||||||
- | - | - | 4,500 | - | 3,000 | - |
Net cash used in operating activities | ||||||
-5,762 | -6,978 | -8,716 | - | - | - | - |
Financing activities | ||||||
Costs paid in connection with loan origination | ||||||
- | - | - | - | - | 82 | - |
Proceeds from issuance of common stock, net | ||||||
6,106 | 4,618 | 7,389 | 354 | 5,031 | 42 | 25,120 |
Proceeds from issuance of common stock and warrants, net | ||||||
- | - | - | 13,168 | - | - | - |
Net cash provided by financing activities | ||||||
- | - | - | 9,023 | 5,031 | 1,460 | 27,120 |
Net cash provided by financing activities | ||||||
6,106 | 4,618 | 7,389 | - | - | - | - |
Net decrease in cash and cash equivalents | ||||||
344 | -2,360 | - | - | - | - | - |
Net increase (decrease) in cash and cash equivalents | ||||||
- | - | -1,327 | 315 | -5,464 | -10,040 | 24,080 |
Interest paid | ||||||
- | - | - | 169 | 230 | 58 | 128 |
Non-cash financing activities | ||||||
Deferred financing costs paid in prior year | ||||||
- | - | - | - | 137 | - | - |
Fair value of warrants issued to placement agent | ||||||
- | - | - | 369 | - | - | - |
Reclassification of warrant liability to equity due to exercise of warrants | ||||||
- | - | 1,399 | - | - | - | - |
Reclassification of warrant liability to equity due to amendment of warrants | ||||||
- | 3,267 | - | - | - | - | - |
Issuance of Series A Convertible Preferred Stock warrants | ||||||
- | - | - | - | - | - | 49 |
Conversion of Series A Convertible Preferred Stock to common stock at the initial public offering | ||||||
- | - | - | - | - | - | 18,225 |