| 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 | ||||||||
-12,552 | -14,268 | -15,908 | -11,817 | -13,579 | -9,731 | -6,760 | -5,994 | -4,881 |
Adjustments to reconcile net loss to net cash used in operating activities | ||||||||
Stock-based compensation expense | ||||||||
847 | 643 | 592 | 467 | 369 | 211 | 174 | 140 | 147 |
Depreciation and amortization | ||||||||
503 | 500 | -196 | 299 | 297 | 197 | 159 | 149 | 139 |
Non cash lease expense | ||||||||
98 | 92 | 348 | 474 | 288 | - | - | - | - |
Net amortization of discounts on marketable securities | ||||||||
-60 | - | - | - | 45 | - | - | - | - |
Changes in operating assets and liabilities | ||||||||
Accounts receivable | ||||||||
- | - | - | - | - | - | - | - | 500 |
Prepaid expenses and other assets | ||||||||
3,055 | 781 | -1,674 | 1,357 | 1,350 | -345 | 90 | 641 | 121 |
Other assets | ||||||||
-12 | 11 | 54 | -138 | -2,969 | - | - | - | - |
Accounts payable | ||||||||
-1,090 | -1,064 | 179 | -105 | -771 | 2,565 | 22 | 477 | -509 |
Accrued liabilities | ||||||||
-573 | -29 | 3,937 | 57 | 323 | 956 | 461 | -10 | -359 |
Deferred revenue | ||||||||
2,668 | 10,499 | -1,417 | -1,062 | -1,063 | -1,062 | -1,063 | -1,062 | -1,063 |
Operating lease liabilities | ||||||||
-285 | -156 | -131 | 135 | 137 | - | - | - | - |
Deferred revenue, non current | ||||||||
-4,150 | - | - | - | - | - | - | - | - |
Other long-term liabilities | ||||||||
- | - | - | - | - | 70 | 0 | 2 | 6 |
Net cash used in operating activities | ||||||||
-17,517 | 33,718 | -11,237 | -12,947 | -12,425 | -6,444 | -7,102 | -6,439 | -7,141 |
Cash flows from investing activities | ||||||||
Purchases of property and equipment | ||||||||
5 | 369 | 1,754 | 1,321 | 72 | 157 | 191 | 223 | 92 |
Purchases of marketable securities | ||||||||
46,503 | 52,949 | 6,573 | 30,717 | 51,577 | - | - | - | - |
Maturities of marketable securities | ||||||||
11,192 | - | - | - | - | - | - | - | - |
Net cash used in investing activities | ||||||||
-35,316 | -2,271 | 15,808 | -31,203 | -51,649 | -157 | -191 | -223 | -92 |
Cash flows from financing activities | ||||||||
Proceeds from initial public offering of common stock, net of commissions | ||||||||
- | -1 | -17 | 191 | 70,473 | - | - | - | - |
Deferred offering costs | ||||||||
75 | - | - | - | - | - | - | - | - |
Proceeds from issuance of common stock upon exercise of stock options, net | ||||||||
340 | 526 | 116 | 127 | 34 | 24 | 102 | 22 | 10 |
Net cash provided by financing activities | ||||||||
265 | 525 | 99 | 318 | 70,507 | 68,236 | 20,058 | 22 | 10 |
Net increase (decrease) in cash, cash equivalents, and restricted cash | ||||||||
-52,568 | 31,972 | 4,670 | -43,832 | 6,433 | 61,635 | 12,765 | -6,640 | -7,223 |
Supplemental disclosures of non-cash investing and financing information | ||||||||
Conversion of preferred stock to common stock and additional paid-in capital | ||||||||
- | 0 | 0 | 0 | 129,577 | - | - | - | - |
Purchases of property and equipment included in accrued liabilities | ||||||||
90 | -225 | -1,954 | 2,172 | 23 | -90 | 56 | -148 | 210 |
Reclassification of employee stock liability to equity upon vesting | ||||||||
9 | - | - | - | - | - | - | - | - |
Deferred offering costs included in accounts payable and accrued liabilities | ||||||||
167 | - | - | - | - | - | - | - | - |
Right-of-use asset obtained in exchange for lease obligation | ||||||||
- | 1 | 0 | 0 | 8,404 | - | - | - | - |
Tenant improvements provided by landlord | ||||||||
- | 61 | -61 | 3,078 | 2,706 | - | - | - | - |
Initial public offering costs included in accounts payable | ||||||||
- | - | - | - | 174 | - | - | - | - |