| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 | Dec'17 | Sep'17 | Jun'17 | Mar'17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Revenue | ||||||||||||
- | - | - | - | - | - | - | - | - | 0 | 0 | - | 0 |
Revenue | ||||||||||||
- | - | - | - | - | - | - | - | - | - | - | 0 | - |
Operating expenses: | ||||||||||||
Research and development | ||||||||||||
20,075 | 18,586 | 16,241 | 15,955 | 15,677 | 16,626 | 12,733 | 9,536 | 9,874 | - | 7,690 | 8,022 | - |
General and administrative | ||||||||||||
5,908 | 5,471 | 4,810 | 4,886 | 4,429 | 4,006 | 3,680 | 2,486 | 2,303 | - | 1,981 | 1,490 | - |
Total operating expenses | ||||||||||||
25,983 | 24,057 | 21,051 | 20,841 | 20,106 | 20,632 | 16,413 | 12,022 | 12,177 | 11,888 | 9,671 | 9,512 | 8,017 |
Loss from operations | ||||||||||||
-25,983 | -24,057 | -21,051 | -20,841 | -20,106 | -20,632 | -16,413 | -12,022 | -12,177 | - | -9,671 | -9,512 | - |
Other income (expense): | ||||||||||||
Interest income | ||||||||||||
1,404 | 730 | 507 | 652 | 755 | 688 | 482 | 268 | 109 | - | 45 | 32 | - |
Interest expense | ||||||||||||
850 | 857 | 605 | 578 | 75 | 0 | 7 | 187 | 34 | - | 246 | 255 | - |
Change in fair value of preferred stock tranche liability | ||||||||||||
- | - | - | - | - | - | - | - | - | - | 90 | 1,743 | - |
Total other income (expense), net | ||||||||||||
554 | -127 | -98 | 74 | 680 | 688 | 475 | 81 | 75 | -44 | -111 | 1,520 | 2,346 |
Loss before income taxes | ||||||||||||
-25,429 | - | - | - | -19,426 | - | - | - | - | - | - | - | - |
Income tax expense | ||||||||||||
15 | - | - | - | - | - | - | - | - | - | - | - | - |
Net loss | ||||||||||||
-25,444 | - | - | - | -19,426 | - | - | - | - | -11,932 | -9,782 | -7,992 | -5,671 |
Net loss per share attributable to common stockholders, basic and diluted | ||||||||||||
-0.61 | -0.67 | -0.82 | -0.80 | -0.75 | 18.21 | -0.81 | -9.96 | -12.44 | -17.64 | -15.18 | -12.81 | -10.41 |
Weighted average number of common shares used in net loss per share attributable to common stockholders, basic and diluted | ||||||||||||
41,765 | 35,163 | 25,829 | 25,809 | 25,804 | 26,145 | 19,619 | 1,199 | 972 | - | 961 | 961 | - |
Comprehensive loss: | ||||||||||||
Net Loss | ||||||||||||
-25,444 | - | - | - | -19,426 | - | - | - | - | - | - | - | - |
Cumulative dividends on convertible preferred stock | ||||||||||||
- | - | - | - | - | - | - | - | - | 5,048 | 4,818 | 4,327 | 4,197 |
Other comprehensive gain (loss): | ||||||||||||
Unrealized gain (loss) on marketable securities | ||||||||||||
-84 | -7 | -10 | 2 | 9 | - | - | - | - | - | - | - | - |
Total other comprehensive gain (loss): | ||||||||||||
-84 | - | - | - | 9 | - | - | - | - | - | - | - | - |
Net loss attributable to common stockholders | ||||||||||||
- | - | -21,149 | -20,767 | - | -19,944 | -15,938 | -11,941 | -12,102 | -16,980 | -14,600 | -12,319 | -9,868 |
Total other comprehensive gain (loss): | ||||||||||||
- | - | -10 | 2 | - | - | - | - | - | - | - | - | - |
Comprehensive loss | ||||||||||||
-25,528 | - | -21,159 | -20,765 | -19,417 | - | -15,938 | -11,941 | -12,102 | - | - | - | - |