| Dec'19 | Dec'18 | Dec'17 | ||||
|---|---|---|---|---|---|---|
Operating activities | ||||||
Net loss | ||||||
-68,606 | -46,447 | -42,831 | ||||
Adjustments to reconcile net loss to net cash (used in) provided by operating activities: | ||||||
Depreciation expense | ||||||
6,100 | 4,300 | 4,100 | ||||
Share-based compensation expense | ||||||
13,124 | 11,149 | 7,009 | ||||
Intangible assets amortization | ||||||
1,698 | 1,699 | 1,694 | ||||
Investment amortization | ||||||
4,463 | 1,214 | -342 | ||||
Asset impairment | ||||||
- | 17 | 193 | ||||
Loss (gain) on equipment disposals | ||||||
-316 | 40 | -125 | ||||
Fair value adjustment of convertible preferred stock warrant | ||||||
2,266 | -6 | -23 | ||||
Other | ||||||
-43 | -5 | -6 | ||||
Changes in operating assets and liabilities: | ||||||
Accounts receivable, net | ||||||
7,817 | -775 | 2,427 | ||||
Inventory | ||||||
1,231 | 3,046 | 2,697 | ||||
Prepaid expenses and other current assets | ||||||
8,576 | 318 | 327 | ||||
Accounts payable and accrued liabilities | ||||||
6,149 | 2,185 | -1,517 | ||||
Deferred rent | ||||||
78 | -488 | -1,058 | ||||
Deferred revenue | ||||||
266,927 | -649 | 2,527 | ||||
Other | ||||||
597 | 182 | -24 | ||||
Net cash (used in) provided by operating activities | ||||||
205,404 | -32,259 | -34,858 | ||||
Investing activities | ||||||
Purchases of property and equipment | ||||||
11,200 | 6,318 | 2,421 | ||||
Proceeds from sales of equipment | ||||||
- | 19 | 207 | ||||
Purchases of intangible assets | ||||||
- | - | 85 | ||||
Purchases of marketable securities | ||||||
884,217 | 146,503 | 125,182 | ||||
Proceeds from sales and maturities of marketable securities | ||||||
413,720 | 153,538 | 163,913 | ||||
Net cash provided by (used in) investing activities | ||||||
-481,697 | 736 | 36,432 | ||||
Financing activities | ||||||
Proceeds from issuance of convertible preferred stock, net of issuance costs | ||||||
- | - | 49,827 | ||||
Proceeds from exercise of stock options | ||||||
4,055 | 1,268 | 222 | ||||
Proceeds from initial public offering, net of underwriting discounts and commissions | ||||||
320,850 | - | - | ||||
Payment of deferred initial public offering costs | ||||||
4,986 | - | - | ||||
Proceeds from issuance of common stock upon the exercise of a common stock warrant | ||||||
9 | - | - | ||||
Other | ||||||
-12 | -20 | -15 | ||||
Net cash provided by financing activities | ||||||
319,916 | 1,248 | 50,034 | ||||
Net increase in cash, cash equivalents and restricted cash | ||||||
43,623 | -30,275 | 51,608 | ||||
Noncash investing and financing activities | ||||||
Purchases of equipment included in accounts payable and accrued liabilities | ||||||
773 | 832 | 41 | ||||
Landlord-funded leasehold improvements | ||||||
- | 2,419 | - | ||||
Noncash additions to property through lease financing arrangements | ||||||
36,607 | - | - | ||||
Conversion of convertible preferred stock to common stock upon closing of initial public offering | ||||||
561,931 | - | - | ||||
Conversion of convertible preferred stock warrant to common stock warrant upon closing of initial public offering | ||||||
2,602 | - | - | ||||