| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Dec'17 |
|---|---|---|---|---|---|---|---|---|
Assets | ||||||||
Current assets: | ||||||||
Cash and cash equivalents | ||||||||
20,571 | 14,951 | 20,365 | 13,031 | 18,470 | 24,182 | 39,594 | 101,973 | 51,033 |
Marketable securities | ||||||||
102,779 | 63,255 | 64,878 | 80,392 | 82,664 | 83,250 | 73,161 | 16,412 | - |
Prepaid expenses | ||||||||
2,122 | 1,878 | 2,462 | 1,653 | 1,664 | 1,884 | 1,676 | 1,538 | 785 |
Other current assets | ||||||||
1,060 | 1,048 | 1,098 | 1,160 | 991 | 489 | 894 | 661 | 508 |
Total current assets | ||||||||
126,532 | 81,132 | 88,803 | 96,236 | 103,789 | 109,805 | 115,325 | 120,584 | 52,326 |
Restricted cash | ||||||||
- | - | - | - | - | - | - | - | 13 |
Property and equipment, net | ||||||||
4,131 | 4,282 | 4,509 | 4,713 | 4,846 | 4,595 | 4,660 | 4,805 | 1,540 |
Operating lease right-of-use asset | ||||||||
3,699 | 3,817 | 3,929 | 4,036 | 4,139 | - | - | - | - |
Other assets | ||||||||
282 | 282 | 282 | 282 | 282 | 282 | 282 | 282 | 343 |
Total assets | ||||||||
134,644 | 89,513 | 97,523 | 105,267 | 113,056 | 114,682 | 120,267 | 125,671 | 54,222 |
Liabilities and Stockholders' Equity | ||||||||
Current liabilities: | ||||||||
Accounts payable | ||||||||
1,583 | 823 | 824 | 955 | 1,448 | 193 | 662 | 1,105 | 547 |
Accrued liabilities | ||||||||
4,202 | 4,218 | 3,560 | 2,858 | 2,406 | 2,678 | 2,345 | 2,007 | 911 |
Operating lease liabilities, current | ||||||||
934 | 900 | 868 | 835 | 804 | - | - | - | - |
Deferred rent, current | ||||||||
- | - | - | - | - | 354 | 343 | 332 | - |
Other liabilities, current | ||||||||
52 | 62 | 75 | 87 | 100 | 112 | 152 | 158 | 26 |
Total current liabilities | ||||||||
6,771 | 6,003 | 5,327 | 4,735 | 4,758 | 3,337 | 3,502 | 3,602 | 1,484 |
Operating lease liabilities, noncurrent | ||||||||
5,219 | 5,464 | 5,699 | 5,929 | 6,153 | - | - | - | - |
Deferred rent, noncurrent | ||||||||
- | - | - | - | - | 2,548 | 2,638 | 2,728 | 494 |
Total liabilities | ||||||||
11,990 | 11,467 | 11,026 | 10,664 | 10,911 | 5,885 | 6,140 | 6,330 | 1,978 |
Redeemable convertible preferred stock, $0.001 par value, zero and 75,533,240 shares authorized as of December 31, 2018 and 2017, respectively; zero and 12,263,126 shares issued and outstanding as of December 31, 2018 and 2017, respectively | ||||||||
- | - | - | - | - | - | - | - | 77,931 |
Stockholders' equity: | ||||||||
Common stock, $0.001 par value, 125,000,000 shares authorized as of March 31, 2020 (unaudited) and December 31, 2019; 38,176,462 and 19,208,077 shares issued and outstanding as of March 31, 2020 (unaudited) and December 31, 2019, respectively | ||||||||
38 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 1 |
Preferred stock, $0.001 par value, 10,000,000 shares authorized, zero shares issued and outstanding as of March 31, 2020 (unaudited) and December 31, 2019 | ||||||||
- | - | - | - | - | - | 0 | 0 | - |
Additional paid-in capital | ||||||||
217,032 | 162,505 | 161,405 | 160,295 | 159,093 | 158,176 | 157,681 | 157,192 | 451 |
Accumulated other comprehensive loss | ||||||||
-122 | -196 | -224 | -156 | -130 | -203 | -160 | -120 | -111 |
Accumulated deficit | ||||||||
-94,300 | -84,282 | -74,703 | -65,555 | -56,837 | -49,195 | -43,413 | -37,750 | -26,028 |
Total stockholders' equity | ||||||||
122,654 | 78,046 | 86,497 | 94,603 | 102,145 | 108,797 | 114,127 | 119,341 | -25,687 |
Total liabilities and stockholders' equity | ||||||||
134,644 | 89,513 | 97,523 | 105,267 | 113,056 | 114,682 | 120,267 | 125,671 | 54,222 |