| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 |
|---|---|---|---|---|---|---|---|---|
Operating activities | ||||||||
Net loss | ||||||||
-505,654 | -514,000 | -532,297 | -489,434 | -444,900 | -384,700 | 0 | 0 | 0 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||
Stock-based compensation | ||||||||
83,038 | 81,122 | 92,437 | 86,353 | 79,211 | 72,565 | 0 | 0 | 0 |
Depreciation, Depletion and Amortization | ||||||||
31,121 | 31,021 | 29,444 | 28,679 | 26,962 | 24,862 | 0 | 0 | 0 |
Amortization/accretion of investments | ||||||||
2,222 | 3,742 | 4,191 | 3,695 | 2,788 | 1,866 | 0 | 0 | 0 |
Loss on disposal of property and equipment | ||||||||
-434 | -316 | -961 | -905 | -910 | -891 | 0 | 0 | 0 |
Changes in assets and liabilities: | ||||||||
Accounts receivable | ||||||||
-29 | -6,654 | -7,045 | -7,894 | -2,359 | -195 | 0 | 0 | 0 |
Accounts receivable from related party | ||||||||
718 | -562 | 3,704 | 250 | -29,100 | -637 | 0 | 0 | 0 |
Prepaid expenses and other assets | ||||||||
-2,092 | -9,751 | 1,450 | -5,898 | -306 | 5,289 | 0 | 0 | 0 |
Right-of-use assets, operating leases | ||||||||
0 | - | - | - | 0 | - | - | - | - |
Accounts payable | ||||||||
-23,364 | -23,964 | -4,886 | 14,886 | 15,281 | 15,017 | 0 | 0 | 0 |
Accrued liabilities | ||||||||
16,242 | -3,362 | 17,724 | 5,950 | 13,261 | 8,787 | 0 | 0 | 0 |
Deferred revenue | ||||||||
0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 |
Deferred lease obligation | ||||||||
- | - | - | - | - | 2,420 | 0 | 0 | 0 |
Operating lease liabilities | ||||||||
0 | - | - | - | 0 | - | - | - | - |
Other liabilities | ||||||||
-1,248 | -6,169 | 1,673 | 171 | 1,538 | 910 | 0 | 0 | 0 |
Net cash used in operating activities | ||||||||
-420,891 | -458,968 | -454,215 | -427,378 | -363,748 | -330,865 | 0 | 0 | 0 |
Investing activities | ||||||||
Purchases of marketable securities | ||||||||
1,336,966 | 1,145,226 | 1,225,792 | 1,233,038 | 996,987 | 1,227,709 | 0 | 0 | 0 |
Proceeds from maturities of marketable securities | ||||||||
858,974 | 993,181 | 1,037,694 | 1,048,631 | 997,499 | 783,373 | 0 | 0 | 0 |
Proceeds from sales of marketable securities | ||||||||
188,970 | 168,654 | 87,507 | 105,960 | 179,791 | 177,008 | 0 | 0 | 0 |
Purchases of property and equipment | ||||||||
30,182 | 31,554 | 38,529 | 57,958 | 81,452 | 105,766 | 0 | 0 | 0 |
Net cash used in investing activities | ||||||||
-319,204 | -14,945 | -139,120 | -136,405 | 98,851 | -373,094 | 0 | 0 | 0 |
Financing activities | ||||||||
Proceeds from public offering of common stock, net of issuance costs | ||||||||
0 | - | - | - | 0 | - | - | - | - |
Proceeds from issuance of redeemable convertible preferred stock, net of issuance costs | ||||||||
- | - | - | - | - | 661,111 | 0 | 0 | 0 |
Proceeds from issuance of common stock through equity plans, net | ||||||||
75,559 | 47,259 | 20,608 | 5,344 | 1,462 | 1,427 | 0 | 0 | 0 |
Charges to financing lease obligation | ||||||||
0 | - | - | - | 0 | - | - | - | - |
Reimbursement of assets under financing lease obligation | ||||||||
- | - | - | - | - | 11,635 | 0 | 0 | 0 |
Payments on financing lease obligation | ||||||||
- | - | - | - | - | 2,175 | 0 | 0 | 0 |
Net cash provided by financing activities | ||||||||
628,881 | 51,121 | 599,446 | 574,249 | 677,140 | 1,226,842 | 0 | 0 | 0 |
Net increase (decrease) in cash, cash equivalents and restricted cash | ||||||||
-111,214 | -422,792 | 6,111 | 10,466 | 412,243 | 522,883 | 0 | 0 | 0 |
Non-cash investing and financing activities | ||||||||
Issuance costs included in accounts payable and accrued liabilities | ||||||||
- | - | - | - | - | - | - | - | 0 |
Purchases of property and equipment included in accounts payable and accrued liabilities | ||||||||
-2,841 | 4,676 | 1,987 | -9,215 | -1,508 | 12,892 | 0 | 0 | 0 |
Leasehold improvements included in prepaid and other current assets | ||||||||
- | - | - | - | - | 10,089 | 0 | 0 | 0 |
Lease financing obligation | ||||||||
- | - | - | - | - | 10,089 | 0 | 0 | 0 |