| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | ||
|---|---|---|---|---|---|---|
Operating activities | ||||||
Net loss | ||||||
-73,703 | -51,445 | -29,076 | -14,068 | -4,608 | ||
Adjustments required to reconcile net loss to net cash used in operating activities: | ||||||
Depreciation and amortization | ||||||
56 | 22 | 8 | 4 | - | ||
Amortization of right-of-use-asset | ||||||
644 | - | - | - | - | ||
Depreciation and amortization | ||||||
56 | 22 | 8 | 4 | 0 | ||
Changes in marketable securities and bank deposits, net | ||||||
- | - | - | - | 0 | ||
Amortization of premium on investment securities | ||||||
691 | 774 | -66 | -158 | 0 | ||
Stock-based compensation | ||||||
6,701 | 3,638 | 1,452 | 573 | 65 | ||
Changes in operating asset and liabilities, net of effects of businesses acquired: | ||||||
Gain on disposal of equipment | ||||||
- | - | -19 | 0 | 0 | ||
Accrued interest | ||||||
- | - | 31 | 0 | 0 | ||
Change in operating assets and liabilities: | ||||||
Accounts receivable | ||||||
- | -786 | 786 | 0 | 0 | ||
Prepaid expenses and other current assets | ||||||
-1,867 | -324 | 1,790 | 555 | - | ||
Prepaid expenses and other current assets | ||||||
-1,867 | -324 | 1,790 | 555 | 22 | ||
increase in other non-current assets | ||||||
-209 | 282 | -66 | 66 | - | ||
Prepaid and other long-term assets | ||||||
- | - | - | - | 0 | ||
Accounts payable | ||||||
481 | 825 | 620 | 889 | 0 | ||
Accrued expenses and other current liabilities | ||||||
-44 | 2,719 | 2,976 | 466 | 346 | ||
Deferred revenue | ||||||
- | -8,531 | -1,796 | 10,327 | - | ||
Lease liability | ||||||
-614 | - | - | - | - | ||
Deferred revenue | ||||||
- | - | - | - | 36 | ||
Other non-current liabilities | ||||||
-7 | -15 | -12 | 7 | 0 | ||
Net cash used in operating activities | ||||||
-65,101 | -52,733 | -28,222 | -2,265 | -4,183 | ||
CASH FLOWS FROM INVESTING ACTIVITIES: | ||||||
Investing activities | ||||||
Purchase of fixed assets | ||||||
11 | 140 | 27 | 31 | 0 | ||
Investment in bank deposits | ||||||
83,397 | 126,700 | 64,148 | 55,309 | 0 | ||
Proceeds from sales of investments | ||||||
14,042 | 5,100 | 6,000 | - | - | ||
Proceeds from sales of investments | ||||||
- | - | - | 3,600 | 0 | ||
Proceeds from maturities of investments | ||||||
110,740 | 87,864 | 43,085 | 14,224 | 0 | ||
Net cash provided by investing activities | ||||||
41,374 | -33,876 | -15,090 | -37,516 | 0 | ||
CASH FLOWS FROM FINANCING ACTIVITIES: | ||||||
Financing activities | ||||||
Issuance of common stock pursuant to public offering, net of issuance costs | ||||||
- | 125,417 | - | - | - | ||
Proceeds from issuance of convertible preferred stock, net of issuance costs | ||||||
- | - | 50,324 | 0 | 47,620 | ||
Proceeds related to issuance of stock for stock-based compensation arrangements, net | ||||||
36 | 496 | 34 | 0 | 98 | ||
Proceeds from purchases under the Employee Stock Purchase Plan | ||||||
429 | - | - | - | - | ||
Proceeds from issuance of common stock under at-the-market offering | ||||||
4,529 | - | - | - | - | ||
Deferred financing costs | ||||||
- | - | 867 | 0 | 0 | ||
Net cash provided by financing activities | ||||||
4,994 | 125,913 | 49,491 | 0 | 47,718 | ||
Net increase (decrease) in cash and cash equivalents | ||||||
-18,733 | 39,304 | 6,179 | - | - | ||
Net increase in cash and cash equivalents | ||||||
- | - | - | -39,781 | 43,535 | ||
Noncash financing activities | ||||||
Addition of right-of-use-asset | ||||||
1,314 | - | - | - | - | ||
Conversion of preferred stock to common stock | ||||||
- | 109,327 | - | - | - | ||
Deferred financing costs | ||||||
- | - | 316 | 0 | 0 | ||