| 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 | |||||||||
143,372 | 53,774 | 77,559 | 115,566 | 40,839 | 38,220 | 36,038 | 94,960 | 46,213 | 51,575 |
Short-term investments | |||||||||
91,557 | 208,614 | 192,113 | 180,230 | 147,128 | 176,517 | 201,505 | 160,547 | 70,519 | 78,084 |
Prepaid expenses and other current assets | |||||||||
3,404 | 4,189 | 4,407 | 2,973 | 2,535 | 6,948 | 8,322 | 6,074 | 3,672 | 1,945 |
Total current assets | |||||||||
238,333 | 266,577 | 274,079 | 298,769 | 190,502 | 221,685 | 245,866 | 261,582 | 120,404 | 131,604 |
Property and equipment, net | |||||||||
42,566 | 42,716 | 41,406 | 41,113 | 40,984 | 35,637 | 20,740 | 6,942 | 3,828 | 3,154 |
Right-of-use assets | |||||||||
6,615 | - | - | - | - | - | - | - | - | - |
Deferred offering costs | |||||||||
- | - | - | - | 266 | - | - | - | 3,072 | 1,000 |
Restricted cash | |||||||||
1,274 | 1,274 | 1,274 | 1,274 | 1,274 | 1,772 | 1,789 | 1,789 | 1,772 | 1,772 |
Total assets | |||||||||
288,788 | 310,567 | 316,759 | 341,156 | 233,026 | 259,094 | 268,396 | 270,314 | 129,078 | 137,530 |
Liabilities and stockholders' equity | |||||||||
Current liabilities: | |||||||||
Accounts payable | |||||||||
7,398 | 2,608 | 8,798 | 8,334 | 11,794 | 15,732 | 11,120 | 5,017 | 3,776 | 2,538 |
Accrued expenses and other liabilities | |||||||||
6,949 | 7,644 | 7,818 | 5,306 | 3,792 | 5,040 | 3,847 | 2,358 | 2,258 | 2,860 |
Operating lease liabilities | |||||||||
2,331 | - | - | - | - | - | - | - | - | - |
Deferred rent | |||||||||
- | 1,313 | 1,292 | 1,161 | 1,156 | 977 | - | - | - | 123 |
Deferred revenue | |||||||||
774 | 809 | 774 | 690 | 905 | 770 | 3,605 | 3,499 | 3,407 | 3,341 |
Total current liabilities | |||||||||
17,452 | 12,374 | 18,682 | 15,491 | 17,647 | 22,519 | 18,573 | 10,875 | 9,442 | 8,862 |
Non-current liabilities: | |||||||||
Operating lease liabilities, net of current portion | |||||||||
14,821 | - | - | - | - | - | - | - | - | - |
Deferred rent, net of current portion | |||||||||
- | 9,544 | 9,888 | 10,326 | 10,592 | 9,470 | 7,318 | 2,893 | 1,552 | 291 |
Deferred revenue, net of current portion | |||||||||
29,974 | 30,142 | 30,367 | 30,597 | 30,523 | 30,750 | 29,743 | 29,747 | 29,846 | 30,069 |
Total liabilities | |||||||||
62,247 | 52,060 | 58,937 | 56,414 | 58,762 | 62,739 | 55,636 | 43,516 | 40,840 | 39,222 |
Commitments and contingencies (Note 7) | |||||||||
- | - | - | - | - | - | 0 | 0 | 0 | - |
Total convertible preferred stock | |||||||||
- | - | - | - | - | - | - | - | 137,762 | 137,762 |
Stockholders’ equity: | |||||||||
Preferred stock, $0.0001 par value, 10,000,000 shares authorized; no shares issued and outstanding | |||||||||
- | - | - | - | - | - | 0 | 0 | - | - |
Common stock, $0.0001 par value; 200,000,000 shares authorized; 45,212,190 and 45,138,408 shares issued as of March 31, 2020 and December 31, 2019, respectively; and 45,206,066 and 45,116,742 shares outstanding as of March 31, 2020 and December 31, 2019, respectively | |||||||||
4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 0 | - |
Additional paid-in capital | |||||||||
461,561 | 457,994 | 433,071 | 430,432 | 293,865 | 292,187 | 291,171 | 290,442 | 1,264 | 800 |
Accumulated other comprehensive gain (loss) | |||||||||
-19 | 183 | 254 | 186 | 6 | -77 | -20 | -48 | -86 | -73 |
Accumulated deficit | |||||||||
-235,005 | -199,674 | -175,507 | -145,880 | -119,610 | -95,758 | -78,394 | -63,598 | -50,703 | -40,181 |
Total stockholders’ equity | |||||||||
226,541 | 258,507 | 257,822 | 284,742 | 174,264 | 196,355 | 212,760 | 226,798 | -49,524 | -39,454 |
Total liabilities and stockholders' equity | |||||||||
288,788 | 310,567 | 316,759 | 341,156 | 233,026 | 259,094 | 268,396 | 270,314 | 129,078 | 137,530 |
Series A Convertible Preferred Stock | |||||||||
Total convertible preferred stock | |||||||||
- | - | - | - | - | - | - | - | - | 42,994 |
Series B Convertible Preferred Stock | |||||||||
Total convertible preferred stock | |||||||||
- | - | - | - | - | - | - | - | - | 94,768 |