| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 |
|---|---|---|---|---|---|---|---|---|
Operating expenses: | ||||||||
Research and development | ||||||||
22,020 | 19,339 | 19,039 | 17,136 | 15,047 | 14,072 | 0 | 0 | 0 |
General and administrative | ||||||||
8,452 | 7,306 | 6,769 | 5,979 | 5,031 | 4,336 | 0 | 0 | 0 |
Total operating expenses | ||||||||
30,472 | 26,645 | 25,808 | 23,115 | 20,078 | 18,408 | 0 | 0 | 0 |
Loss from operations | ||||||||
-30,472 | -26,645 | -25,808 | -23,115 | -20,078 | -18,408 | 0 | 0 | 0 |
Other income (expense): | ||||||||
Change in fair value of Series C redeemable convertible preferred stock liability | ||||||||
- | - | - | - | - | 2,105 | 0 | 0 | 0 |
Change in fair value of obligation for loan success fee | ||||||||
- | -215 | -226 | -273 | -178 | -138 | 0 | 0 | 0 |
Interest income | ||||||||
891 | 792 | 613 | 360 | 169 | 156 | 0 | 0 | 0 |
Interest expense | ||||||||
- | - | - | - | - | 174 | 0 | 0 | 0 |
Total other income (expense), net | ||||||||
728 | 577 | 250 | -752 | -1,321 | -2,261 | 0 | 0 | 0 |
Loss before income tax benefit | ||||||||
-29,744 | -26,068 | -25,558 | -23,867 | -21,399 | -20,669 | 0 | 0 | 0 |
Income tax benefit | ||||||||
-23 | -18 | -63 | -83 | -103 | -124 | 0 | 0 | 0 |
Net loss | ||||||||
-29,721 | -26,050 | -25,495 | -23,784 | -21,296 | -20,545 | 0 | 0 | 0 |
Accretion of redeemable convertible preferred stock | ||||||||
- | -1,535 | -1,631 | -1,535 | -378 | -370 | 0 | 0 | 0 |
Dividends accrued on redeemable convertible preferred stock | ||||||||
- | 2,239 | 3,706 | 5,068 | 5,675 | 5,402 | 0 | 0 | 0 |
Adjusted net loss attributable to common stockholders | ||||||||
-29,075 | -26,754 | -27,570 | -27,317 | -26,593 | -25,577 | 0 | 0 | 0 |
Basic and diluted net loss per common share outstanding | ||||||||
-0.48 | 12.61 | -0.41 | -0.63 | -13.85 | -16.78 | -16.22 | -13.62 | -11.82 |
Weighted average common shares used in net loss per share attributable to common stockholders, basic and diluted | ||||||||
17,834 | 18,092 | 17,834 | 10,571 | 444 | 438 | 438 | 438 | 434 |