| Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 |
|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||
Net loss | ||||||
-186,512 | -125,618 | - | - | - | - | - |
Net loss | ||||||
- | - | -71,227 | -27,093 | -20,176 | -13,112 | -18,365 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||
Depreciation and amortization | ||||||
2,553 | 1,334 | 441 | 426 | 358 | 506 | 565 |
Amortization of (discount) premium on short-term investments | ||||||
341 | 227 | -304 | -500 | -257 | 0 | 0 |
Stock-based compensation expense | ||||||
14,410 | 14,172 | 3,847 | 2,983 | - | - | - |
Stock-based compensation expense | ||||||
- | - | - | - | 2,050 | 1,053 | 829 |
Loss on fixed asset disposals | ||||||
-216 | -54 | - | - | - | - | - |
Impairment relating to restructuring | ||||||
14,044 | - | - | - | - | - | - |
Change in warrant and derivative liabilities | ||||||
9,053 | 1,928 | - | - | - | - | - |
Revaluation of convertible preferred stock warrant | ||||||
- | - | - | - | 42 | 0 | 0 |
Change in warrant and derivative liabilities | ||||||
- | - | 19,859 | 19 | - | - | - |
Loss on debt extinguishment | ||||||
-819 | - | - | - | - | - | - |
Loss on settlement of contingently redeemable common stock | ||||||
-5,179 | - | - | - | - | - | - |
Change in derivative liability | ||||||
- | - | - | - | - | 0 | - |
Loss on asset disposition | ||||||
- | - | - | - | - | -10 | 0 |
Non-cash interest expense relating to notes payable | ||||||
862 | 847 | 741 | 302 | 209 | 472 | 524 |
Non-cash interest expense relating to related-party convertible loan payable | ||||||
- | - | - | - | - | 197 | 1,246 |
Non-cash restructuring charges | ||||||
- | - | - | - | - | 196 | 0 |
Change in operating assets and liabilities: | ||||||
Trade and contract receivable, net | ||||||
504 | -10,794 | - | - | - | - | - |
Contracts receivable | ||||||
- | - | 7,112 | -195 | -1,996 | 2,972 | -631 |
Prepaids and other assets | ||||||
-4,955 | 4,107 | 199 | 1,504 | -1,397 | 1,456 | -98 |
Inventory | ||||||
4,861 | - | - | - | - | - | - |
Other long-term assets | ||||||
9,190 | - | - | - | - | - | - |
Accounts payable and accrued liabilities | ||||||
691 | 5,736 | 6,668 | 3,076 | -539 | 1,450 | -1,911 |
Deferred revenue | ||||||
-2,100 | 2,100 | - | - | - | - | - |
Other liabilities | ||||||
3,832 | 1,588 | -225 | 8 | 123 | -198 | -379 |
Net cash used in operating activities | ||||||
-165,000 | -95,255 | - | - | - | - | - |
Cash flows from investing activities: | ||||||
Net cash used in operating activities | ||||||
- | - | -46,903 | -21,088 | -14,283 | -13,854 | -16,762 |
Purchase of property and equipment | ||||||
9,036 | 7,106 | 901 | 606 | 340 | 110 | 568 |
Proceeds from sale of property and equipment | ||||||
614 | - | - | - | - | - | - |
Purchase of short-term investments | ||||||
58,101 | 121,796 | 30,961 | 41,851 | 45,087 | - | - |
Purchase of short-term investments | ||||||
- | - | - | - | - | 0 | 0 |
Maturities of short-term investments | ||||||
78,014 | 129,370 | 42,230 | 47,689 | - | 0 | - |
Net cash provided by investing activities | ||||||
11,491 | 468 | - | - | - | - | - |
Cash flows from financing activities: | ||||||
Change in restricted cash | ||||||
- | - | - | - | - | - | -35 |
Net cash used in investing activities | ||||||
- | - | 10,368 | 5,232 | -45,427 | -110 | -533 |
Proceeds from initial public offering, net of issuance costs | ||||||
- | - | - | - | 73,936 | 0 | 0 |
Proceeds from underwritten public offering, net of issuance costs | ||||||
- | 121,192 | 94,852 | - | - | - | - |
Proceeds from issuance of contingently redeemable common stock | ||||||
- | 10,000 | - | - | - | - | - |
Proceeds from private placement, net of issuance costs | ||||||
- | - | 25,166 | - | - | - | - |
Proceeds from issuance of convertible preferred stock, net of issuance costs | ||||||
- | - | - | - | - | 22,200 | 0 |
Proceeds from sales of common stock, net of issuance costs | ||||||
31,416 | - | 3,827 | 1,319 | - | 0 | - |
Proceeds from issuance of related-party convertible notes payable | ||||||
- | - | - | - | - | - | 2,687 |
Proceeds from the issuance of common stock in connection with equity incentive plans | ||||||
2,995 | 2,968 | 466 | 1,353 | 811 | 61 | 174 |
Proceeds from exercise of stock warrants | ||||||
- | 418 | 1,151 | - | 2 | 0 | 0 |
Proceeds from loan payable, net of issuance costs | ||||||
49,189 | - | 10,000 | 14,590 | - | 0 | - |
Repurchase of contingently redeemable common stock | ||||||
5,737 | - | - | - | - | - | - |
Repayment of loan payable | ||||||
22,833 | 4,167 | - | - | - | - | - |
Net cash provided by financing activities | ||||||
55,030 | 130,411 | - | - | - | - | - |
Net increase (decrease) in cash, cash equivalents, and restricted cash | ||||||
-98,479 | 35,624 | - | - | - | - | - |
Proceeds from issuance of related-party convertible loan payable | ||||||
- | - | - | - | - | - | 2,445 |
Proceeds from issuance of notes payable | ||||||
- | - | - | - | - | - | 7,996 |
Repayment of notes payable | ||||||
- | - | - | - | 6,896 | 4,632 | 1,462 |
Net cash provided by financing activities | ||||||
- | - | 135,462 | 17,262 | 67,853 | 17,629 | 11,840 |
Net increase in cash, cash equivalents, and restricted cash | ||||||
- | - | 98,927 | 1,406 | 8,143 | - | - |
Supplemental disclosures of cash flow information | ||||||
Interest paid | ||||||
1,219 | 2,008 | - | - | - | - | - |
Interest paid | ||||||
- | - | 1,579 | 396 | 221 | 693 | 699 |
Net increase in cash and cash equivalents | ||||||
- | - | - | - | - | 3,665 | -5,455 |
Supplemental disclosures of noncash investing and financing information | ||||||
Conversion of convertible preferred stock into common stock | ||||||
- | - | - | - | 132,278 | - | - |
Reclassification of warrant liability to additional paid-in capital | ||||||
- | 2,088 | 8,337 | - | 286 | 0 | 0 |
Accrued and deferred public offering issuance cost | ||||||
- | - | 305 | - | - | - | - |
Issuance of derivative in connection with issuance of loan payable | ||||||
- | - | - | 356 | - | - | - |
Purchases of property and equipment included in accounts payable and accrued liabilities | ||||||
- | 1,130 | - | - | - | - | - |
Purchases of property and equipment included in deferred rent | ||||||
1,485 | 4,701 | 1,896 | - | - | - | - |
Transfers of assets held for sale | ||||||
1,509 | - | - | - | - | - | - |
Conversion of related-party convertible loan and notes payable to convertible preferred stock | ||||||
- | - | - | - | - | 9,724 | 0 |
Conversion of convertible preferred stock into common stock | ||||||
- | - | - | - | - | 0 | 0 |
Reclassification of warrant liability to additional paid-in capital | ||||||
- | 2,088 | 8,337 | - | - | 0 | 0 |