| 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 | ||||||||
-55,409 | -57,410 | -57,725 | -57,116 | -58,320 | -53,281 | 0 | 0 | 0 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||
Depreciation and amortization expense | ||||||||
491 | 500 | 509 | 517 | 514 | 500 | 0 | 0 | 0 |
Stock-based compensation expense | ||||||||
9,367 | 9,036 | 8,300 | 6,379 | 4,794 | 3,318 | 0 | 0 | 0 |
Changes in operating assets and liabilities: | ||||||||
Prepaid expenses and other assets | ||||||||
1,963 | 3,166 | 2,179 | 1,944 | 884 | 260 | 0 | 0 | 0 |
Accounts receivable | ||||||||
403 | -134 | -132 | -576 | -1,425 | -359 | 0 | 0 | 0 |
Accounts payable | ||||||||
326 | -361 | 542 | -756 | -1,163 | 418 | 0 | 0 | 0 |
Accrued expenses and other liabilities | ||||||||
-1,864 | -778 | -1,146 | -781 | 1,522 | 1,541 | 0 | 0 | 0 |
Net cash used in operating activities | ||||||||
-49,497 | -52,087 | -51,610 | -53,168 | -52,155 | -47,448 | 0 | 0 | 0 |
Cash flows from investing activities: | ||||||||
Purchases of property and equipment | ||||||||
0 | - | - | - | - | 407 | 0 | 0 | 0 |
Net cash used in investing activities | ||||||||
0 | - | - | - | - | -407 | 0 | 0 | 0 |
Cash flows from financing activities: | ||||||||
Payment of deferred issuance costs associated with Series B convertible preferred stock financing | ||||||||
- | - | - | - | - | 232 | 0 | 0 | 0 |
Proceeds from stock options exercised | ||||||||
532 | 374 | 0 | 0 | 0 | - | - | - | - |
Proceeds from public offering, net of underwriters' discounts | ||||||||
0 | - | - | - | - | - | - | - | - |
Payment of offering costs | ||||||||
0 | - | - | - | - | 3,012 | 0 | 0 | 0 |
Net cash provided by financing activities | ||||||||
33,841 | 192 | 159 | -885 | 106,764 | 106,374 | 0 | 0 | 0 |
Net increase (decrease) in cash, cash equivalents and restricted cash | ||||||||
-15,706 | -51,934 | -51,510 | -54,181 | 54,248 | 58,519 | 0 | 0 | 0 |
Supplemental disclosure of non-cash investing and financing activities: | ||||||||
Offering costs not yet paid | ||||||||
0 | - | - | - | - | - | 0 | 0 | 0 |
Property and equipment in accounts payable | ||||||||
0 | - | - | - | - | - | - | - | 0 |