| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 |
|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||||
Net loss | ||||||||
-54,480 | -61,030 | -50,735 | -41,243 | -31,586 | -30,509 | -43,497 | -134,902 | -2,597 |
Adjustments to reconcile net loss to net cash (used in) provided by operating activities: | ||||||||
Stock-based compensation | ||||||||
14,215 | 13,874 | 12,835 | 11,487 | 7,867 | 5,871 | 4,639 | 8,056 | 0 |
Amortization of other intangible assets acquired | ||||||||
151 | 151 | 151 | 150 | 151 | 150 | 151 | 151 | 0 |
Depreciation and amortization | ||||||||
1,893 | 1,704 | 1,177 | 999 | 544 | 397 | 352 | 299 | 0 |
Net amortization/accretion on investment securities | ||||||||
207 | 460 | 851 | 1,062 | 1,223 | 1,161 | -125 | 0 | 0 |
Non-cash rent expense | ||||||||
718 | 1,950 | 3,279 | 273 | 1,275 | 1,168 | 664 | 0 | 0 |
Benefit from income taxes | ||||||||
0 | - | 33 | -159 | -50 | - | 0 | 0 | 0 |
Share of losses from equity method investments | ||||||||
-64 | - | - | - | 0 | - | - | - | - |
Changes in operating assets and liabilities: | ||||||||
Prepaid expenses and other current assets | ||||||||
-2,552 | 5,531 | -607 | -1,371 | 1,892 | 5,466 | 2,795 | 342 | -5 |
Other long-term assets | ||||||||
57 | 1,511 | 870 | 1,805 | 188 | -1,224 | 1,468 | 0 | 0 |
Accounts payable | ||||||||
-1,044 | 2,152 | -4,469 | 1,680 | -348 | 5,717 | 1,815 | 1,268 | 0 |
Accrued and other current liabilities | ||||||||
-3,913 | -1,159 | 7,617 | 3,988 | -4,095 | -557 | 111 | 9,987 | 2,597 |
Other long-term liabilities | ||||||||
-701 | -434 | -709 | -571 | -711 | 0 | 0 | 0 | 0 |
Net cash used in operating activities | ||||||||
-40,809 | -50,267 | -31,935 | -24,892 | -30,256 | -21,481 | -17,130 | -6,047 | 5 |
Cash flows from investing activities: | ||||||||
Purchases of property and equipment | ||||||||
12,253 | 14,112 | 18,400 | 7,856 | 10,423 | 1,321 | 1,377 | 536 | 0 |
Proceeds from maturities of investments | ||||||||
120,261 | 116,813 | 158,350 | 101,707 | 95,708 | 19,235 | 0 | 0 | 0 |
Purchase of investments | ||||||||
123,015 | 89,697 | 61,175 | 49,359 | 52,397 | 333,908 | 315,399 | 0 | 0 |
Net cash (used in) provided by investing activities | ||||||||
-15,007 | 7,929 | 78,775 | 44,492 | 32,888 | -313,388 | -316,776 | -2,634 | 0 |
Cash flows from financing activities: | ||||||||
Proceeds from issuance of common stock, net of commissions and issuance costs | ||||||||
14,845 | - | - | - | 0 | - | - | - | - |
Proceeds from issuance of common stock and upon exercise of stock options | ||||||||
303 | 2,255 | 467 | 236 | 0 | - | - | - | - |
Proceeds from issuance of common stock under the employee stock purchase plan | ||||||||
1,438 | 0 | 1,099 | 0 | 684 | 0 | 0 | 0 | 0 |
Net cash provided by financing activities | ||||||||
16,586 | 56,474 | 1,566 | 236 | 684 | 344,522 | 274,057 | 152,603 | 0 |
Net change in cash, cash equivalents and restricted cash | ||||||||
-39,230 | 14,136 | 48,406 | 19,836 | 3,316 | 9,653 | -59,849 | 143,922 | 5 |
Non-cash investing activities: | ||||||||
Property and equipment purchases in accounts payable and accrued liabilities | ||||||||
4,208 | -1,903 | -7,096 | 8,533 | 5,134 | 2,978 | 144 | 60 | 0 |
Supplemental disclosure: | ||||||||
Cash paid for amounts included in the measurement of lease liabilities | ||||||||
1,396 | 1,381 | 1,026 | 765 | 391 | 31 | 0 | 0 | 0 |
Cash received for amounts related to tenant improvement allowances from lessors | ||||||||
532 | - | - | - | 0 | - | - | - | - |