| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 |
|---|---|---|---|---|---|---|---|---|
Operating activities | ||||||||
Net loss | ||||||||
-26,206 | -27,704 | -27,548 | -21,172 | -18,009 | -17,339 | -18,588 | -15,472 | -13,376 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||
Depreciation and amortization | ||||||||
1,626 | 1,442 | 1,173 | 1,094 | 1,036 | 1,076 | 1,003 | 973 | 909 |
Net amortization of premiums and discounts on marketable securities | ||||||||
78 | 101 | 278 | 451 | 519 | 348 | 24 | 77 | 103 |
Stock-based compensation | ||||||||
1,619 | 1,443 | 1,532 | 1,317 | 1,007 | 1,321 | 501 | 819 | 354 |
Non-cash operating lease expense | ||||||||
1,850 | 1,891 | 1,654 | 1,493 | 1,344 | - | - | - | - |
Changes in operating assets and liabilities: | ||||||||
Prepaid expenses and other current assets | ||||||||
-32 | -1,822 | 2,053 | 510 | -778 | -694 | 2,890 | -456 | 41 |
Deposits and other long-term assets | ||||||||
-83 | - | - | - | 389 | - | - | - | - |
Accounts payable | ||||||||
865 | -1,555 | 2,467 | -632 | -235 | 3,070 | 356 | 465 | -642 |
Accrued compensation | ||||||||
-1,825 | 876 | 1,103 | 928 | -2,257 | 1,551 | 607 | 752 | -1,186 |
Accrued and other non-current liabilities | ||||||||
-38 | -95 | -1,208 | 1,208 | 104 | -288 | 471 | 107 | -872 |
Accrued research and development expenses | ||||||||
532 | - | - | - | - | - | - | - | - |
Deferred rent | ||||||||
- | - | - | - | - | -214 | 24 | -103 | -103 |
Lease liability | ||||||||
-520 | 1,878 | -531 | -653 | -640 | - | - | - | - |
Deferred revenue | ||||||||
-917 | -816 | -984 | -1,150 | -1,347 | - | - | - | - |
Net cash used in operating activities | ||||||||
-22,977 | -22,452 | -25,021 | -18,411 | -19,127 | -12,996 | 1,900 | -12,006 | -15,060 |
Investing activities | ||||||||
Purchase of marketable securities | ||||||||
3,805 | 52,650 | 12,317 | 6,420 | 9,592 | - | - | - | - |
Maturities of marketable securities | ||||||||
17,167 | - | - | - | 13,600 | - | - | - | - |
Sales of marketable securities | ||||||||
3,021 | - | - | - | - | - | - | - | - |
Maturities of marketable securities | ||||||||
- | - | - | - | - | 11,500 | 17,000 | 12,750 | 7,470 |
Purchase of property and equipment | ||||||||
1,609 | 5,598 | 5,744 | 2,253 | 2,578 | 2,288 | 518 | 1,165 | 1,692 |
Net cash provided by investing activities | ||||||||
14,774 | -41,349 | 33,983 | 21,777 | 1,430 | -91,461 | 14,995 | 11,585 | 5,778 |
Financing activities | ||||||||
Proceeds from issuance of common stock, net of issuance costs | ||||||||
5,659 | 4,518 | 252 | 70,346 | 86 | 92,507 | 55 | 15 | 9 |
Payments of deferred financing costs | ||||||||
4 | - | - | - | - | - | - | - | - |
Net cash provided by financing activities | ||||||||
5,655 | 4,267 | 252 | 69,790 | 86 | 90,704 | 11,500 | 8,228 | 9 |
Net decrease in cash, cash equivalents and restricted cash | ||||||||
-2,548 | -59,534 | 9,214 | 73,156 | -17,611 | - | - | - | - |
Net decrease in cash, cash equivalents and restricted cash | ||||||||
- | - | - | - | - | - | - | - | -9,273 |
Supplemental disclosures of non-cash investing and financing information | ||||||||
Property and equipment purchases accrued but not yet paid | ||||||||
946 | -2,383 | 840 | 2,262 | 513 | 1,271 | -36 | -81 | 328 |
Remeasurement of operating lease right-of-use asset for lease modification | ||||||||
- | - | - | - | 1,779 | - | - | - | - |