| 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 | ||||||||
-54,545 | -55,572 | -51,035 | -41,887 | -36,064 | -27,366 | 0 | 0 | 0 |
Adjustments to reconcile net loss to net cash used in operating activities | ||||||||
Stock-based compensation expense | ||||||||
2,549 | 2,071 | 1,639 | 1,221 | 894 | 672 | 0 | 0 | 0 |
Depreciation and amortization | ||||||||
1,106 | 900 | 597 | 952 | 802 | 644 | 0 | 0 | 0 |
Non cash lease expense | ||||||||
1,012 | 1,202 | 0 | 0 | 0 | - | - | - | - |
Net amortization of discounts on marketable securities | ||||||||
0 | - | - | - | 0 | - | - | - | - |
Changes in operating assets and liabilities | ||||||||
Accounts receivable | ||||||||
- | - | - | - | - | - | - | - | 0 |
Prepaid expenses and other assets | ||||||||
3,519 | 1,814 | 688 | 2,452 | 1,736 | 507 | 0 | 0 | 0 |
Other assets | ||||||||
-85 | -3,042 | 0 | 0 | 0 | - | - | - | - |
Accounts payable | ||||||||
-2,080 | -1,761 | 1,868 | 1,711 | 2,293 | 2,555 | 0 | 0 | 0 |
Accrued liabilities | ||||||||
3,392 | 4,288 | 5,273 | 1,797 | 1,730 | 1,048 | 0 | 0 | 0 |
Deferred revenue | ||||||||
10,688 | 6,957 | -4,604 | -4,250 | -4,250 | -4,250 | 0 | 0 | 0 |
Operating lease liabilities | ||||||||
-437 | -15 | 0 | 0 | 0 | - | - | - | - |
Deferred revenue, non current | ||||||||
0 | - | - | - | - | - | - | - | - |
Other long-term liabilities | ||||||||
- | - | - | - | - | 78 | 0 | 0 | 0 |
Net cash used in operating activities | ||||||||
-7,983 | -2,891 | -43,053 | -38,918 | -32,410 | -27,126 | 0 | 0 | 0 |
Cash flows from investing activities | ||||||||
Purchases of property and equipment | ||||||||
3,449 | 3,516 | 3,304 | 1,741 | 643 | 663 | 0 | 0 | 0 |
Purchases of marketable securities | ||||||||
136,742 | 141,816 | 0 | 0 | 0 | - | - | - | - |
Maturities of marketable securities | ||||||||
0 | - | - | - | - | - | - | - | - |
Net cash used in investing activities | ||||||||
-52,982 | -69,315 | -67,201 | -83,200 | -52,220 | -663 | 0 | 0 | 0 |
Cash flows from financing activities | ||||||||
Proceeds from initial public offering of common stock, net of commissions | ||||||||
- | 70,646 | 0 | 0 | 0 | - | - | - | - |
Deferred offering costs | ||||||||
0 | - | - | - | - | - | - | - | - |
Proceeds from issuance of common stock upon exercise of stock options, net | ||||||||
1,109 | 803 | 301 | 287 | 182 | 158 | 0 | 0 | 0 |
Net cash provided by financing activities | ||||||||
1,207 | 71,449 | 139,160 | 159,119 | 158,823 | 88,326 | 0 | 0 | 0 |
Net increase (decrease) in cash, cash equivalents, and restricted cash | ||||||||
-59,758 | -757 | 28,906 | 37,001 | 74,193 | 60,537 | 0 | 0 | 0 |
Supplemental disclosures of non-cash investing and financing information | ||||||||
Conversion of preferred stock to common stock and additional paid-in capital | ||||||||
- | 129,577 | 0 | 0 | 0 | - | - | - | - |
Purchases of property and equipment included in accrued liabilities | ||||||||
83 | 16 | 151 | 2,161 | -159 | 28 | 0 | 0 | 0 |
Reclassification of employee stock liability to equity upon vesting | ||||||||
0 | - | - | - | - | - | - | - | - |
Deferred offering costs included in accounts payable and accrued liabilities | ||||||||
0 | - | - | - | - | - | - | - | - |
Right-of-use asset obtained in exchange for lease obligation | ||||||||
- | 8,405 | 0 | 0 | 0 | - | - | - | - |
Tenant improvements provided by landlord | ||||||||
- | 5,784 | 0 | 0 | 0 | - | - | - | - |
Initial public offering costs included in accounts payable | ||||||||
- | - | - | - | 0 | - | - | - | - |