| 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 | Dec'16 | Sep'16 | Jun'16 | Mar'16 | Dec'15 | Sep'15 | Jun'15 | Mar'15 | Sep'14 | Jun'14 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Revenue | ||||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | 250 | - | - | - | - | - | - | - | - | - | - | - | - |
Operating expenses: | ||||||||||||||||||||||
Research and development | ||||||||||||||||||||||
5,289 | 4,263 | 4,697 | 5,160 | 4,197 | 3,659 | 3,897 | 4,239 | 5,247 | 3,989 | 4,776 | 4,519 | 5,398 | 6,260 | 5,936 | 6,818 | 6,436 | 6,670 | 5,813 | 5,931 | 4,616 | 4,543 | 3,722 |
General and administrative | ||||||||||||||||||||||
2,753 | 2,484 | 1,985 | 2,165 | 2,137 | 2,429 | 2,111 | 2,397 | 2,392 | 1,723 | 2,426 | 2,400 | 2,363 | 2,413 | 2,347 | 2,578 | 2,770 | 2,664 | 2,388 | 1,833 | 1,744 | 1,427 | 1,642 |
Total operating expenses | ||||||||||||||||||||||
8,042 | 6,747 | 6,682 | 7,325 | 6,334 | 6,088 | 6,008 | 6,636 | 7,639 | 5,712 | 7,202 | 6,919 | 7,761 | 8,673 | 8,283 | 9,396 | 9,206 | 9,334 | 8,201 | 7,764 | 6,360 | 5,970 | 5,364 |
Loss from operations | ||||||||||||||||||||||
-8,042 | -6,747 | -6,682 | -7,325 | -6,334 | -6,088 | -6,008 | -6,636 | -7,639 | -5,462 | -6,952 | -6,919 | -7,761 | -8,673 | -8,283 | -9,396 | -9,206 | -9,334 | -8,201 | -7,764 | -6,360 | -5,970 | -5,364 |
Other income (expense): | ||||||||||||||||||||||
Interest expense | ||||||||||||||||||||||
- | - | - | - | - | - | 10 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Interest expense | ||||||||||||||||||||||
- | - | - | - | - | - | - | 33 | 57 | 81 | 105 | 127 | 149 | 175 | 199 | 220 | 243 | 268 | 282 | 279 | 149 | 57 | - |
Interest and investment income | ||||||||||||||||||||||
167 | 148 | 214 | 257 | 226 | 173 | 177 | 43 | 32 | 32 | 45 | 44 | 39 | 59 | 50 | 80 | 53 | - | - | - | - | - | - |
Other (expense) income, net | ||||||||||||||||||||||
-77 | -11 | -46 | -63 | 70 | -145 | 162 | 147 | 12 | 14 | -5 | 28 | -5 | 11 | 13 | 91 | -22 | -4 | -2 | 4 | 9 | 2 | 1 |
Total other income, net | ||||||||||||||||||||||
90 | 137 | 168 | 194 | 296 | 28 | 329 | 157 | -13 | -35 | -65 | -55 | -115 | -105 | -136 | -49 | -212 | -272 | -284 | -275 | -140 | -55 | 1 |
Net loss | ||||||||||||||||||||||
-7,952 | -6,610 | -6,514 | -7,131 | -6,038 | -6,060 | -5,679 | -6,479 | -7,652 | -5,497 | -7,017 | -6,974 | -7,876 | -8,778 | -8,419 | -9,445 | -9,418 | -9,606 | -8,485 | -8,039 | -6,500 | -6,025 | -5,363 |
Net loss per share - basic and diluted (in dollars per share) | ||||||||||||||||||||||
-0.50 | -0.55 | -0.56 | -0.62 | -0.62 | 0.54 | -0.80 | -1.98 | -2.88 | -11.58 | -0.31 | -0.32 | -0.41 | -0.46 | -0.54 | -0.61 | -0.61 | 17.70 | -0.55 | -8.07 | -13.14 | -13.55 | -13.42 |
Weighted-average common shares outstanding used in net loss per share - basic and diluted (in shares) | ||||||||||||||||||||||
15,898 | 11,980 | 11,624 | 11,505 | 9,686 | 7,186 | 7,103 | 3,272 | 2,655 | -54,780 | 22,563 | 21,796 | 19,093 | 18,698 | 15,512 | 15,373 | 15,335 | 15,378 | 15,297 | 996 | 494 | 444 | 399 |