| 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 | ||||||||
-57,315 | -51,000 | -54,393 | -49,007 | -51,189 | -49,326 | 0 | 0 | 0 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||
Depreciation and amortization | ||||||||
1,423 | 1,303 | 1,157 | 1,034 | 899 | 807 | 0 | 0 | 0 |
Equity-based compensation | ||||||||
8,568 | 7,972 | 8,274 | 7,072 | 6,347 | 5,211 | 0 | 0 | 0 |
Amortization/accretion of investment securities | ||||||||
1,202 | 1,390 | 0 | 0 | 0 | - | - | - | 0 |
Non-cash operating lease expense | ||||||||
0 | - | - | - | 0 | - | - | - | - |
Deferred payroll tax credit | ||||||||
- | - | - | - | - | 272 | 0 | 0 | 0 |
Change in operating assets and liabilities: | ||||||||
Accounts receivable | ||||||||
0 | - | - | - | - | - | - | - | - |
Prepaid expenses and other current assets | ||||||||
1,339 | 739 | 1,169 | 1,614 | -441 | 1,276 | 0 | 0 | 0 |
Other assets | ||||||||
0 | - | - | - | - | - | - | - | - |
Accounts payable | ||||||||
-155 | -1,342 | 706 | 172 | 37 | 1,664 | 0 | 0 | 0 |
Accrued expenses | ||||||||
3,235 | 2,453 | 4,802 | 2,399 | 2,616 | 4,361 | 0 | 0 | 0 |
Deferred rent | ||||||||
- | - | - | - | - | -191 | 0 | 0 | 0 |
Operating lease liabilities | ||||||||
-1,026 | -888 | 0 | 0 | 0 | - | - | - | - |
Deferred revenue | ||||||||
2,584 | 4,508 | 0 | 0 | 0 | - | - | - | - |
Other liabilities | ||||||||
- | -59 | -46 | -33 | 88 | 108 | 0 | 0 | 0 |
Net cash provided by (used in) operating activities | ||||||||
-44,949 | -63,115 | 8,046 | 14,145 | 18,925 | 24,571 | 0 | 0 | 0 |
Cash flows from investing activities: | ||||||||
Purchase of property and equipment | ||||||||
2,643 | 3,115 | 2,346 | 2,579 | 1,997 | 1,492 | 0 | 0 | 0 |
Purchase of marketable securities | ||||||||
177,520 | 235,417 | 0 | 0 | 0 | - | - | - | 0 |
Maturities of marketable securities | ||||||||
206,388 | 176,288 | 0 | 0 | 0 | - | - | - | - |
Net cash provided by (used in) investing activities | ||||||||
26,233 | -62,236 | -144,384 | -72,813 | -69,021 | -60,231 | 0 | 0 | 0 |
Cash flows from financing activities: | ||||||||
Principal payments on loan payable | ||||||||
- | 365 | 532 | 699 | 667 | 667 | 0 | 0 | 0 |
Proceeds from stock option exercises | ||||||||
1,305 | 913 | 0 | 0 | 0 | - | - | - | - |
Other | ||||||||
-16 | -13 | 0 | 0 | 0 | - | - | - | - |
Net cash provided by (used in) financing activities | ||||||||
49,439 | 48,883 | 64,993 | 57,405 | 94,278 | 94,268 | 0 | 0 | 0 |
Net (decrease) increase in cash and cash equivalents and restricted cash | ||||||||
30,723 | -76,468 | -71,345 | -1,263 | 44,182 | 58,608 | 0 | 0 | 0 |
Supplemental disclosure of non-cash items: | ||||||||
Property and equipment purchases in accounts payable and accrued expenses | ||||||||
0 | - | 0 | 0 | 0 | - | - | - | 0 |
Offering costs in accounts payable and accrued expenses | ||||||||
- | - | - | - | - | - | - | 0 | 0 |
Operating lease right-of-use asset obtained in exchange for operating lease obligation | ||||||||
- | 5,444 | 0 | 0 | 0 | - | - | - | - |
Cash paid for interest | ||||||||
- | - | - | - | - | - | 0 | 0 | 0 |