| 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 | ||||||||
-19,115 | -15,941 | -10,917 | -7,669 | -8,268 | 14,165 | -7,517 | -3,200 | -3,941 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||
Depreciation | ||||||||
1,731 | 1,767 | 1,942 | 1,935 | 1,961 | 1,891 | 1,879 | 1,710 | 1,743 |
Amortization of discount on marketable securities | ||||||||
122 | 99 | 221 | 350 | 453 | 420 | 285 | 120 | 51 |
Stock-based compensation expense | ||||||||
3,695 | 3,621 | 3,084 | 3,671 | 2,605 | 2,513 | 2,973 | 2,208 | 2,268 |
Other non-cash expenses | ||||||||
-120 | 0 | 0 | 0 | -98 | - | - | - | - |
Changes in operating assets and liabilities: | ||||||||
Related party receivable from collaboration | ||||||||
-4,464 | 5,206 | -881 | 881 | -3,669 | - | - | - | - |
Prepaid expenses and other assets | ||||||||
2,005 | -2,346 | 2,470 | 262 | 1,602 | 3,718 | 219 | -417 | 845 |
Accounts payable | ||||||||
-5,343 | 4,960 | 1,193 | -1,318 | -1,193 | 2,516 | -1,088 | 375 | 1,681 |
Accrued expenses and other liabilities | ||||||||
3,026 | 4,392 | 3,318 | 2,349 | -1,182 | 3,510 | 964 | 2,959 | -3,374 |
Deferred rent | ||||||||
689 | 689 | 689 | 652 | 653 | 652 | 653 | 326 | 326 |
Deferred revenue | ||||||||
-4,872 | -9,752 | -2,817 | -4,600 | -7,082 | -7,334 | -3,860 | -8,319 | -1,620 |
Net cash used in operating activities | ||||||||
-19,110 | -14,601 | -6,696 | -7,777 | -12,100 | 7,008 | -5,851 | -4,289 | -4,465 |
Cash flows from investing activities | ||||||||
Purchase of marketable securities | ||||||||
29,399 | 59,082 | 0 | 2,490 | 72,734 | 30,661 | 32,703 | 33,279 | 36,966 |
Proceeds from sales and maturities of marketable securities | ||||||||
56,837 | 13,751 | 43,777 | 51,997 | 76,993 | 34,250 | 46,600 | 28,757 | 68,575 |
Purchase of property and equipment | ||||||||
565 | 1,059 | 155 | 509 | 1,766 | 107 | 674 | 4,030 | 1,033 |
Net cash provided by investing activities | ||||||||
26,873 | -46,390 | 43,622 | 48,998 | 2,493 | 3,482 | 13,223 | -8,552 | 30,576 |
Cash flows from financing activities | ||||||||
Proceeds from issuance of common stock upon exercise of stock options | ||||||||
3,591 | 2,422 | 643 | 258 | 252 | 363 | 1,986 | 163 | 71 |
Repurchase of common stock | ||||||||
- | - | - | - | - | 0 | 0 | 0 | 185 |
Payments of deferred financing costs | ||||||||
- | - | - | - | 255 | - | - | - | - |
Net cash provided by (used in) financing activities | ||||||||
3,591 | 3,573 | 643 | 176,538 | -3 | -1,058 | 1,207 | 163 | -114 |
Net increase (decrease) in cash and cash equivalents | ||||||||
11,354 | -57,418 | 37,569 | 217,759 | -9,610 | 9,432 | 8,579 | -12,678 | 25,997 |
Non-cash investing and financing activities: | ||||||||
Net exercise of convertible preferred stock warrant to Series A preferred stock | ||||||||
- | 0 | 0 | 0 | 198 | - | - | - | - |
Vesting of common stock from early exercises | ||||||||
162 | 267 | 244 | 245 | 237 | 298 | 250 | 108 | 108 |
Cost of property and equipment purchases accrued but not yet paid | ||||||||
270 | - | - | - | 228 | - | - | - | - |
Deferred IPO costs accrued but not yet paid | ||||||||
- | - | - | - | 1,122 | - | - | - | - |
Cost of property and equipment in accounts payable and accrued liabilities | ||||||||
- | - | - | - | - | 498 | -347 | -469 | 925 |