| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 | Dec'17 | Sep'17 | Jun'17 | Mar'17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities | ||||||||||||
Net loss | ||||||||||||
-129,518 | -122,447 | -111,097 | -98,651 | -88,830 | -85,288 | -78,178 | -73,861 | -68,186 | -60,121 | 0 | 0 | 0 |
Adjustments to reconcile net loss to net cash used in operating activities | ||||||||||||
Depreciation and amortization | ||||||||||||
451 | 356 | 275 | 237 | 207 | 175 | 145 | 124 | 109 | 89 | 0 | 0 | 0 |
Stock-based compensation | ||||||||||||
17,372 | 16,449 | 15,240 | 14,075 | 12,435 | 10,225 | 8,008 | 5,772 | 4,440 | 3,394 | 0 | 0 | 0 |
Loss on disposal of fixed assets | ||||||||||||
0 | - | - | - | - | - | - | - | - | - | - | - | - |
Increase in fair value of warrant activity | ||||||||||||
- | - | - | - | - | - | - | - | - | 41 | 0 | 0 | 0 |
Change in operating assets and liabilities | ||||||||||||
Prepaid expenses and other assets | ||||||||||||
-996 | 219 | 149 | 902 | -216 | -113 | 704 | 569 | -460 | 253 | 0 | 0 | 0 |
Accounts payable | ||||||||||||
1,871 | 248 | 3,220 | -715 | -1,267 | -1,002 | 0 | 0 | 0 | - | - | - | - |
Accrued expenses and other liabilities | ||||||||||||
0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 | - | - | - | - |
Deferred Rent | ||||||||||||
- | - | - | - | - | 16 | 0 | 0 | 0 | - | - | - | - |
Accounts payable and accrued expenses | ||||||||||||
- | - | - | - | - | - | - | - | - | - | - | 0 | 0 |
Net cash used in operating activities | ||||||||||||
-105,050 | -99,571 | -90,788 | -82,472 | -77,744 | -74,307 | -67,825 | -64,771 | -59,348 | -50,519 | 0 | 0 | 0 |
Cash flows from investing activities | ||||||||||||
Purchases of property and equipment | ||||||||||||
- | 2,716 | 1,727 | 917 | 854 | 709 | 622 | 444 | 352 | 294 | 0 | 0 | 0 |
Net cash used in investing activities | ||||||||||||
- | -2,716 | -2,227 | -1,417 | -854 | -709 | -622 | -444 | -352 | -294 | 0 | 0 | 0 |
Cash flows from financing activities | ||||||||||||
Proceeds from stock options and warrants exercised | ||||||||||||
2,655 | 2,705 | 2,702 | 1,836 | 1,419 | 1,797 | 1,616 | 1,110 | 861 | 215 | 0 | 0 | 0 |
Proceeds from public offering, net of underwriting fees and commissions | ||||||||||||
- | - | - | - | - | 339,589 | 0 | 0 | 0 | - | - | - | - |
Payment of public offering costs | ||||||||||||
- | - | - | - | - | 892 | 614 | 826 | 1,428 | 1,398 | 0 | 0 | 0 |
Net cash provided by financing activities | ||||||||||||
2,655 | 2,705 | 2,424 | 220,573 | 232,008 | 340,494 | 340,591 | 120,767 | 216,360 | 107,320 | 0 | 0 | 0 |
Net change in cash and cash equivalents | ||||||||||||
-104,895 | -99,582 | -90,591 | 136,684 | 153,410 | 265,478 | 272,144 | 55,552 | 156,660 | 56,507 | 0 | 0 | 0 |
Non-cash investing and financing activities | ||||||||||||
Upfront project costs and other current assets in accounts payable | ||||||||||||
0 | - | - | - | 0 | - | - | - | - | - | - | - | - |
Accretion of redeemable convertible preferred stock | ||||||||||||
- | - | - | - | - | - | - | - | - | 4,757 | 0 | 0 | 0 |
Purchases of equipment in accounts payable and accrued expenses | ||||||||||||
- | 41 | 1,161 | 115 | 145 | 100 | 0 | 0 | 0 | - | - | - | - |
Costs for public offering in accounts payable and accrued expenses | ||||||||||||
- | - | - | - | - | - | 0 | 0 | 0 | - | - | 0 | 0 |