| 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 | ||||||||
-62,473 | -59,037 | -53,086 | -44,566 | -39,542 | -36,069 | 0 | 0 | 0 |
Adjustment to reconcile net loss to net cash used in operating activities: | ||||||||
Depreciation and amortization | ||||||||
600 | 700 | 700 | 900 | 900 | 1,100 | 0 | 0 | 0 |
Stock-based compensation expense | ||||||||
6,286 | 5,824 | 5,203 | 4,344 | 3,547 | 2,778 | 0 | 0 | 0 |
Change in fair value of preferred stock warrant liability | ||||||||
0 | 51 | 111 | 106 | 102 | 14 | 0 | 0 | 0 |
Non-cash interest expense | ||||||||
537 | 557 | 623 | 614 | 607 | 529 | 0 | 0 | 0 |
Changes in current assets and liabilities: | ||||||||
Prepaid expenses and other current assets | ||||||||
-307 | 652 | 2,601 | 3,323 | 1,516 | 580 | 0 | 0 | 0 |
Accounts payable | ||||||||
-778 | 366 | 2,432 | 463 | 1,162 | 595 | 0 | 0 | 0 |
Accrued expenses and other current liabilities | ||||||||
0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 |
Net cash used in operating activities | ||||||||
-55,296 | -50,962 | -45,151 | -40,493 | -34,784 | -30,712 | 0 | 0 | 0 |
Cash flows from investing activities: | ||||||||
Purchases of property and equipment | ||||||||
89 | 136 | 275 | 220 | 418 | 659 | 0 | 0 | 0 |
Net cash used in investing activities | ||||||||
-70 | -117 | -256 | -220 | -345 | -586 | 0 | 0 | 0 |
Cash flows from financing activities: | ||||||||
Payment of deferred offering costs | ||||||||
0 | - | - | - | 0 | - | - | - | 0 |
Proceeds from issuance of long term debt | ||||||||
- | - | - | - | - | 6,000 | 0 | 0 | 0 |
Payment of debt issuance costs | ||||||||
- | - | - | - | - | 945 | 0 | 0 | 0 |
Proceeds from exercise of common stock options | ||||||||
328 | 340 | 259 | 268 | 57 | 45 | 0 | 0 | 0 |
Net cash used in financing activities | ||||||||
64,119 | 63,666 | 127,317 | 127,729 | 63,338 | 63,947 | 0 | 0 | 0 |
Net decrease in cash and cash equivalents | ||||||||
8,753 | 12,587 | 81,910 | 87,016 | 28,209 | 32,649 | 0 | 0 | 0 |
Supplemental cash flow information: | ||||||||
Cash paid for interest | ||||||||
2,792 | 2,838 | 2,750 | 2,603 | 2,435 | 2,255 | 0 | 0 | 0 |
Deferred offering costs included in accounts payable and accrued expenses | ||||||||
0 | - | - | - | 0 | - | - | - | 0 |
Purchases of property and equipment included in accounts payable and accrued expenses | ||||||||
0 | - | - | - | 0 | - | - | - | - |