| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 |
|---|---|---|---|---|---|---|
Collaboration revenue | ||||||
0 | 3,000 | 8,755 | 3,449 | - | - | - |
Collaboration revenue | ||||||
- | - | - | - | 7,904 | 3,598 | - |
Operating expenses: | ||||||
Research and development | ||||||
14,530 | 30,460 | 19,355 | 21,566 | 25,680 | 7,652 | 6,076 |
General and administrative | ||||||
7,766 | 7,280 | 7,610 | 7,859 | 5,691 | 2,125 | 1,484 |
Total operating expenses | ||||||
22,296 | 37,740 | 26,965 | 29,425 | 31,371 | 9,777 | 7,560 |
Loss from operations | ||||||
-22,296 | -34,740 | -18,210 | -25,976 | -23,467 | -6,179 | -7,560 |
Other expense: | ||||||
Interest expense, net | ||||||
-386 | -231 | -886 | -1,119 | -923 | -667 | - |
Interest expense, net | ||||||
- | - | - | - | - | - | -30 |
Other expense, net | ||||||
8 | 12 | -7 | 87 | -20 | 37 | -118 |
Total other expense | ||||||
-378 | -219 | -893 | -1,032 | -943 | -630 | -148 |
Net loss | ||||||
-22,674 | -34,959 | -19,103 | -27,008 | -24,410 | -6,809 | -7,708 |
Accretion to redemption value of redeemable convertible preferred stock | ||||||
- | - | - | - | 31 | 297 | 248 |
Net loss attributable to common stockholders | ||||||
- | - | - | - | -24,441 | -7,106 | -7,956 |
Net loss per share, basic and diluted | ||||||
-7.47 | -12.97 | -11.37 | -2.13 | -2.20 | -4.40 | -4.93 |
Weighted-average shares outstanding, basic and diluted | ||||||
3,034 | 2,694 | 1,680 | 12,677 | 11,115 | 1,615 | 1,614 |