| 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 | ||||||||
-77,626 | -70,292 | -65,332 | -61,044 | -51,734 | -41,480 | 0 | 0 | 0 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||
Amortization of debt discount | ||||||||
10 | 15 | 19 | 22 | 17 | 17 | 0 | 0 | 0 |
Change in fair value of preferred unit warrant liability | ||||||||
- | - | - | - | - | 193 | 0 | 0 | 0 |
Depreciation and amortization | ||||||||
1,932 | 1,561 | 1,247 | 971 | 829 | 706 | 0 | 0 | 0 |
Net accretion of bond discounts/premiums | ||||||||
-514 | -154 | 74 | -41 | -288 | -248 | 0 | 0 | 0 |
Amortization of right to use assets | ||||||||
680 | 691 | 506 | 366 | 180 | 0 | 0 | 0 | 0 |
Stock-based compensation | ||||||||
21,014 | 20,072 | 20,532 | 20,993 | 16,661 | 11,630 | 0 | 0 | 0 |
Changes in operating assets and liabilities: | ||||||||
Account receivable | ||||||||
0 | -2,775 | 59 | 0 | 0 | -22,224 | 0 | 0 | 0 |
Other receivables | ||||||||
1,408 | 4,024 | 2,963 | -560 | 1,034 | 1,215 | 0 | 0 | 0 |
Prepaid expenses and other current assets | ||||||||
1,185 | 1,065 | 1,219 | 844 | 2,143 | 2,501 | 0 | 0 | 0 |
Accounts payable | ||||||||
1,401 | 1,608 | 678 | -477 | -1,072 | 2,002 | 0 | 0 | 0 |
Accrued expenses | ||||||||
3,836 | 3,601 | 2,361 | 2,014 | 1,330 | 455 | 0 | 0 | 0 |
Deferred revenue | ||||||||
6,661 | 4,856 | 7,849 | -12,072 | -11,455 | -8,548 | 0 | 0 | 0 |
Operating lease liabilities | ||||||||
-675 | -581 | -399 | -223 | -93 | 0 | 0 | 0 | 0 |
Net cash used in operating activities | ||||||||
-44,843 | -40,626 | -36,701 | -49,542 | -48,149 | -16,117 | 0 | 0 | 0 |
Cash flows from investing activities: | ||||||||
Purchase of marketable securities | ||||||||
261,892 | 256,548 | 233,556 | 166,425 | 191,104 | 234,894 | 0 | 0 | 0 |
Maturities of marketable securities | ||||||||
180,141 | 169,695 | 139,103 | 115,336 | 96,724 | 58,059 | 0 | 0 | 0 |
Purchase of property, equipment and leasehold improvements | ||||||||
7,225 | 6,244 | 5,076 | 4,827 | 2,572 | 2,830 | 0 | 0 | 0 |
Net cash provided by investing activities | ||||||||
-88,975 | -93,096 | -99,530 | -55,916 | -96,952 | -179,665 | 0 | 0 | 0 |
Cash flows from financing activities: | ||||||||
Repayments of long-term debt | ||||||||
124 | 169 | 214 | 185 | 177 | 173 | 0 | 0 | 0 |
Proceeds from issuance of Series C redeemable convertible preferred units | ||||||||
- | - | - | - | - | 55,000 | 0 | 0 | 0 |
Proceeds from exercise of stock options | ||||||||
4,175 | 2,824 | 0 | 0 | 0 | - | - | - | - |
Net cash provided by (used in) financing activities | ||||||||
141,139 | 139,743 | 142,176 | 113,449 | 113,057 | 168,060 | 0 | 0 | 0 |
Net increase in cash and cash equivalents | ||||||||
7,320 | 6,021 | 5,944 | 7,989 | -32,044 | -27,722 | 0 | 0 | 0 |
Supplemental disclosure of cash flow information: | ||||||||
Purchases of property, equipment and leasehold improvements unpaid at period end | ||||||||
55 | 189 | -24 | 232 | 669 | 159 | 0 | 0 | 0 |
Cash paid for interest | ||||||||
62 | 70 | 79 | 65 | 57 | 39 | 0 | 0 | 0 |
Increase in redemption value of preferred units | ||||||||
- | - | - | - | - | 198,366 | 0 | 0 | 0 |