| 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 | ||||||||
-14,282 | -31,036 | -21,227 | -27,832 | -33,198 | -6,037 | -42,646 | -27,503 | -21,209 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||
Depreciation and amortization expense | ||||||||
1,351 | 1,781 | 991 | 935 | 1,025 | 918 | 476 | 911 | 536 |
Stock-based compensation expense | ||||||||
3,172 | 2,926 | 2,899 | 3,550 | 1,959 | 1,640 | 1,435 | 2,875 | 1,383 |
Change in fair value of contingent consideration | ||||||||
-9,452 | 3,256 | -19,834 | 4,889 | 11,702 | -14,569 | 26,829 | 7,852 | 4,908 |
Deferred income tax benefit | ||||||||
- | 0 | 0 | 0 | -486 | -439 | -2,524 | -1,499 | -1,103 |
Accretion of discount on short-term investments | ||||||||
- | - | - | - | - | - | - | -1 | -42 |
Changes in operating assets and liabilities: | ||||||||
Collaboration receivables | ||||||||
-1,633 | - | - | - | -482 | - | - | - | - |
Prepaid expenses and other assets | ||||||||
397 | 3,710 | 3,019 | 1,481 | 285 | -256 | -907 | 530 | 1,979 |
Right-of-use assets | ||||||||
-132 | -127 | -123 | -119 | -115 | - | - | - | - |
Accounts payable | ||||||||
-9,545 | 11,668 | 118 | -810 | -1,048 | 2,251 | -2,674 | -450 | 1,531 |
Accrued expenses | ||||||||
584 | -1,987 | 1,644 | 671 | -71 | 877 | 1,128 | 1,670 | -1,404 |
Deferred rent | ||||||||
- | - | - | - | - | 41 | 42 | 25 | 362 |
Lease liability | ||||||||
-110 | -105 | -100 | -96 | -74 | - | - | - | - |
Deferred revenue | ||||||||
-1,267 | 581 | -609 | -341 | -688 | - | - | - | - |
Net cash used in operating activities | ||||||||
-31,447 | -20,262 | -20,455 | -19,914 | -21,531 | -16,244 | 27,692 | -16,648 | -16,933 |
Cash flows from investing activities: | ||||||||
Purchases of investments | ||||||||
27,409 | - | - | - | - | 8,381 | 122,313 | 0 | 6,000 |
Sales and maturities of investments | ||||||||
73,994 | 43,311 | 60,555 | 26,851 | 28,905 | 41,986 | 1,080 | 5,000 | 9,918 |
Purchases of property and equipment | ||||||||
2,325 | 1,296 | 448 | 754 | 1,039 | 1,013 | 810 | 1,851 | 2,906 |
Net cash provided by investing activities | ||||||||
44,260 | 5,900 | -39,611 | -12,341 | 27,866 | 32,592 | -122,043 | 3,149 | 1,012 |
Cash flows from financing activities: | ||||||||
Payments of public offering costs | ||||||||
57 | - | - | - | - | - | - | - | - |
Payments of initial public offering costs | ||||||||
- | - | - | - | - | 13 | 1,668 | 1,082 | 1,339 |
Proceeds from option exercises | ||||||||
132 | 12 | 84 | 519 | 897 | - | - | - | - |
Net cash provided by financing activities | ||||||||
75 | 12 | 84,092 | 44,653 | 897 | -13 | 115,779 | -804 | -1,339 |
Net increase in cash, cash equivalents and restricted cash | ||||||||
12,888 | -14,350 | 24,026 | 12,398 | 7,232 | 16,335 | 21,428 | -14,303 | -17,260 |
Supplemental disclosure of non-cash investing and financing activities: | ||||||||
Purchases of property and equipment included in accounts payable and accrued expenses | ||||||||
764 | 1,187 | -57 | -36 | 95 | -314 | -126 | -227 | 716 |
Deferred offering costs included in accounts payable and accrued expenses | ||||||||
120 | - | - | - | - | - | -1,389 | 476 | 926 |
Accretion of redeemable convertible preferred stock to redemption value | ||||||||
- | - | - | - | - | 0 | 0 | 459 | 185 |