| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | |
|---|---|---|---|---|---|---|
Cash flows from operating activities | ||||||
Net loss | ||||||
-193,638 | -146,653 | -101,980 | -55,660 | -19,200 | -5,229 | |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||
Amortization of lease incentive obligation | ||||||
- | 790 | 208 | - | - | - | |
Amortization of right-of-use assets | ||||||
1,613 | - | - | - | - | - | |
Depreciation of property and equipment | ||||||
7,600 | 5,600 | 2,200 | 784 | 594 | 281 | |
Share-based compensation expense | ||||||
19,509 | 15,596 | 12,143 | 6,847 | 4,024 | - | |
Net loss on disposal of property and equipment | ||||||
- | -44 | -205 | - | - | -14 | |
Deferred rent | ||||||
- | 973 | 3,594 | 565 | 88 | -6 | |
Deferred income taxes | ||||||
- | - | 908 | -698 | 36 | 84 | |
Tax benefit related to share-based compensation | ||||||
- | - | - | 310 | - | - | |
Changes in operating assets and liabilities: | ||||||
Accounts receivable | ||||||
-10,000 | 59,000 | 1,000 | - | - | 129 | |
Prepaid expenses | ||||||
3,665 | 1,831 | 3,429 | - | - | - | |
Prepaid expenses and other current assets | ||||||
- | - | - | 1,337 | -130 | 12 | |
Other assets | ||||||
8,369 | 8,690 | 2,431 | 53 | - | - | |
Accounts payable | ||||||
-3,497 | 4,936 | 3,892 | 3,369 | 1,648 | 9 | |
Accrued expenses and other current liabilities | ||||||
1,448 | 5,864 | 4,550 | 2,296 | 267 | 410 | |
Deferred revenue | ||||||
-15,983 | 160,585 | -2,893 | 11,408 | -152 | 152 | |
Operating lease liabilities | ||||||
-2,816 | - | - | - | - | - | |
Other non-current liabilities | ||||||
-421 | 523 | 823 | 864 | 38 | - | |
Net cash used in operating activities | ||||||
-188,231 | -22,862 | -83,671 | -31,925 | -12,527 | -4,426 | |
Increase in restricted cash | ||||||
- | - | - | - | 1,055 | - | |
Proceeds from government grant reimbursements for property and equipment | ||||||
- | - | - | - | 3 | 319 | |
Proceeds from the sale of property and equipment | ||||||
- | - | - | 4 | - | 14 | |
Purchases of property and equipment | ||||||
3,918 | 9,938 | 18,887 | 5,567 | 1,857 | 590 | |
Net cash used in investing activities | ||||||
-3,918 | -9,938 | -18,887 | -5,563 | -2,909 | -257 | |
Cash flows from financing activities | ||||||
Proceeds from initial public offering, net of offering costs and underwriter commissions | ||||||
- | - | - | - | 101,444 | - | |
Costs associated with initial public offering | ||||||
- | - | - | 1,075 | - | - | |
Proceeds from issuance of Series B preferred shares, net of offering costs | ||||||
- | - | - | - | 62,532 | - | |
Proceeds from government grant | ||||||
- | - | - | - | 112 | 34 | |
Payments on capital lease obligation | ||||||
- | 16 | 62 | 62 | 126 | - | |
Proceeds from the exercise of share options | ||||||
2,607 | 5,110 | 927 | 258 | - | - | |
Net cash provided by financing activities | ||||||
164,399 | 65,094 | 94,374 | 29,121 | 175,593 | 5,619 | |
Effect of foreign exchange rates on cash, cash equivalents and restricted cash | ||||||
114 | 37 | 403 | -14 | 15 | -327 | |
Net increase (decrease) in cash, cash equivalents and restricted cash | ||||||
-27,636 | 32,331 | -7,781 | -8,381 | 160,172 | 609 | |
Deferred offering costs in accounts payable and accrued expenses at period end | ||||||
- | - | - | - | 1,075 | 72 | |
Cash paid for interest | ||||||
- | - | - | - | - | 86 | |
Equipment acquired for capital lease obligation | ||||||
- | - | - | - | 268 | - | |
Conversion of related party notes payable into ordinary and Series A preferred shares | ||||||
- | - | - | - | - | 9,602 | |
Property and equipment purchases in accounts payable and accrued expenses at period end | ||||||
- | - | - | - | 306 | 3 | |
At-The-Market Equity Program [Member] | ||||||
Proceeds from issuance of ordinary shares, net of offering costs | ||||||
161,792 | 60,000 | 93,509 | 30,000 | 11,631 | 5,585 | |