| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 | Dec'17 |
|---|---|---|---|---|---|---|---|---|---|
ASSETS | |||||||||
Current assets: | |||||||||
Cash and cash equivalents | |||||||||
67,326 | 57,937 | 78,992 | 76,068 | 68,499 | 71,064 | 74,889 | 169,998 | 198,116 | 98,426 |
Short-term investments | |||||||||
90,540 | 130,333 | 111,997 | 148,330 | 173,436 | 185,480 | 182,948 | 95,700 | 82,064 | 77,277 |
Receivable from collaboration partners | |||||||||
344 | 132 | 5,276 | - | - | - | 5,000 | - | - | - |
Prepaid expenses and other current assets | |||||||||
8,007 | 4,303 | 4,223 | 3,273 | 3,080 | 2,321 | 2,329 | 1,550 | 1,834 | 1,141 |
Amounts owed by a related party | |||||||||
- | - | 0 | 62 | 0 | 83 | 114 | 193 | 54 | 25 |
Total current assets | |||||||||
166,217 | 192,705 | 200,488 | 227,733 | 245,015 | 258,948 | 265,280 | 267,441 | 282,068 | 176,869 |
Long-term investments | |||||||||
- | - | 5,992 | 0 | 1,201 | 3,181 | 7,746 | 11,792 | 10,595 | - |
Property and equipment, net | |||||||||
8,761 | 9,330 | 10,011 | 10,362 | 11,026 | 11,107 | 11,762 | 12,513 | 11,813 | 11,230 |
Equity investment in related party | |||||||||
- | - | 0 | 357 | 770 | 1,202 | 1,525 | 1,711 | 515 | 682 |
Restricted cash | |||||||||
203 | 203 | 203 | 203 | 203 | 203 | 203 | 203 | 203 | 203 |
Other long-term assets | |||||||||
963 | 872 | 263 | 319 | 315 | 284 | 205 | 205 | 205 | 1,502 |
Total assets | |||||||||
176,144 | 203,110 | 216,957 | 238,974 | 258,530 | 274,925 | 286,721 | 293,865 | 305,399 | 190,486 |
LIABILITIES | |||||||||
Current liabilities | |||||||||
Accounts payable | |||||||||
2,426 | 4,704 | 2,905 | 2,448 | 2,829 | 3,102 | 2,109 | 5,388 | 3,920 | 3,820 |
Accrued liabilities | |||||||||
10,170 | 9,522 | 9,662 | 15,552 | 7,629 | 6,023 | 6,667 | 4,342 | 3,610 | 3,137 |
Deferred revenue, current | |||||||||
7,000 | 7,000 | - | - | - | - | - | - | - | - |
Deferred revenue, current | |||||||||
- | - | 7,000 | 7,000 | 7,000 | 6,250 | 6,250 | 5,000 | 5,000 | 5,000 |
Other current liabilities | |||||||||
1,408 | 1,480 | 1,490 | 1,513 | 1,545 | 1,560 | 1,585 | 1,650 | 1,732 | 769 |
Total current liabilities | |||||||||
21,004 | 22,706 | 21,057 | 26,513 | 19,003 | 16,935 | 16,611 | 16,380 | 14,262 | 12,726 |
Deferred revenue, noncurrent | |||||||||
10,272 | 12,022 | - | - | - | - | - | - | - | - |
Deferred revenue, noncurrent | |||||||||
- | - | 13,772 | 10,522 | 12,272 | 16,984 | 18,546 | 16,087 | 17,337 | 18,587 |
Deferred rent | |||||||||
3,590 | 3,734 | 3,875 | 4,010 | 4,145 | 4,272 | 4,396 | 4,516 | 4,655 | 4,740 |
Other long-term liabilities | |||||||||
640 | 806 | 1,026 | 1,283 | 1,543 | 1,792 | 2,047 | 2,308 | 2,554 | 565 |
Total liabilities | |||||||||
35,506 | 39,268 | 39,730 | 42,328 | 36,963 | 39,983 | 41,600 | 39,291 | 38,808 | 36,618 |
Convertible preferred stock, $0.0001 par value, no shares and 120,958,867 shares authorized as of December 31, 2018 and 2017, respectively; no shares and 30,459,574 shares issued and outstanding as of December 31, 2018 and 2017, respectively | |||||||||
- | - | - | - | - | - | 0 | 0 | 0 | 226,196 |
Stockholders’ equity: | |||||||||
Preferred stock, $0.0001 par value, 10,000,000 shares authorized as of March 31, 2020 and December 31, 2019; no shares issued and outstanding as of March 31, 2020 and December 31, 2019 | |||||||||
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
Common stock, $0.0001 par value, 400,000,000 shares authorized as of March 31, 2020 and December 31, 2019; 45,982,788 and 45,925,004 shares issued and outstanding as of March 31, 2020 and December 31, 2019, respectively | |||||||||
4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - |
Additional paid-in capital | |||||||||
373,425 | 369,100 | 365,898 | 362,905 | 359,820 | 357,873 | 355,758 | 354,375 | 352,872 | 948 |
Accumulated deficit | |||||||||
-233,079 | -205,326 | -188,728 | -166,376 | -138,286 | -122,828 | -110,533 | -99,722 | -86,188 | -73,234 |
Accumulated other comprehensive income | |||||||||
288 | 64 | 53 | 113 | 29 | -107 | -108 | -83 | -97 | -42 |
Total stockholders’ equity | |||||||||
140,638 | 163,842 | 177,227 | 196,646 | 221,567 | 234,942 | 245,121 | 254,574 | 266,591 | -72,328 |
Total liabilities, convertible preferred stock and stockholders’ equity | |||||||||
176,144 | 203,110 | 216,957 | 238,974 | 258,530 | 274,925 | 286,721 | 293,865 | 305,399 | 190,486 |