| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 |
|---|---|---|---|---|---|---|---|---|
Operating expenses: | ||||||||
Research and development | ||||||||
6,019 | 4,823 | 5,650 | 5,528 | 3,338 | 4,523 | 3,747 | 3,439 | 2,363 |
General and administrative | ||||||||
2,620 | 1,943 | 2,000 | 1,889 | 1,474 | 1,406 | 1,210 | 941 | 779 |
Total operating expenses | ||||||||
8,639 | 6,766 | 7,650 | 7,417 | 4,812 | 5,929 | 4,957 | 4,380 | 3,142 |
Loss from operations | ||||||||
-8,639 | -6,766 | -7,650 | -7,417 | -4,812 | -5,929 | -4,957 | -4,380 | -3,142 |
Other income (expense): | ||||||||
Change in fair value of Series C redeemable convertible preferred stock liability | ||||||||
- | - | - | - | - | 137 | 702 | 422 | 844 |
Change in fair value of obligation for loan success fee | ||||||||
- | 0 | 0 | -163 | -52 | -11 | -47 | -68 | -12 |
Interest income | ||||||||
157 | 225 | 280 | 229 | 58 | 46 | 27 | 38 | 45 |
Interest expense | ||||||||
- | - | - | - | - | 0 | 0 | 51 | 123 |
Total other income (expense), net | ||||||||
157 | 225 | 280 | 66 | 6 | -102 | -722 | -503 | -934 |
Loss before income tax benefit | ||||||||
-8,482 | -6,541 | -7,370 | -7,351 | -4,806 | -6,031 | -5,679 | -4,883 | -4,076 |
Income tax benefit | ||||||||
-9 | -4 | -5 | -5 | -4 | -49 | -25 | -25 | -25 |
Net loss | ||||||||
-8,473 | -6,537 | -7,365 | -7,346 | -4,802 | -5,982 | -5,654 | -4,858 | -4,051 |
Accretion of redeemable convertible preferred stock | ||||||||
- | 0 | 0 | -1,332 | -203 | -96 | 96 | -175 | -195 |
Dividends accrued on redeemable convertible preferred stock | ||||||||
- | 0 | 0 | 686 | 1,553 | 1,467 | 1,362 | 1,293 | 1,280 |
Adjusted net loss attributable to common stockholders | ||||||||
-8,473 | -6,537 | -7,365 | -6,700 | -6,152 | -7,353 | -7,112 | -5,976 | -5,136 |
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 |