| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Revenue | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 | - | - | - | - |
Operating expenses: | ||||||||||||||||||||
General and administrative | ||||||||||||||||||||
5,603 | 7,174 | 5,606 | 5,146 | 4,401 | 3,814 | 5,675 | 5,173 | 5,383 | 5,801 | 4,434 | 3,924 | 1,344 | 1,027 | 1,079 | 665 | 528 | 417 | 408 | 243 | 156 |
Research and development | ||||||||||||||||||||
6,181 | 6,590 | 6,192 | 6,337 | 5,842 | 5,080 | 5,038 | 3,960 | 3,175 | 2,864 | 2,925 | 2,130 | 1,727 | 1,649 | 1,553 | 1,430 | 990 | 951 | 659 | 547 | 421 |
Amortization of intangible assets | ||||||||||||||||||||
166 | 167 | 166 | 166 | 167 | 166 | 166 | 167 | 166 | 166 | 166 | 167 | 166 | 167 | 166 | 166 | 166 | 167 | 167 | 166 | 166 |
Total operating expenses | ||||||||||||||||||||
11,950 | 13,931 | 11,964 | 11,649 | 10,410 | 9,060 | 10,879 | 9,300 | 8,724 | 8,831 | 7,525 | 6,221 | 3,237 | 2,843 | 2,798 | 2,261 | 1,684 | 1,535 | 1,234 | 956 | 743 |
Other income: | ||||||||||||||||||||
Interest income | ||||||||||||||||||||
78 | 143 | 218 | 290 | 332 | 135 | 118 | 137 | 56 | 128 | 39 | 41 | 39 | 34 | 31 | 3 | 0 | - | - | - | - |
Other | ||||||||||||||||||||
- | - | - | - | - | 28 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Total other income | ||||||||||||||||||||
78 | 143 | 218 | 290 | 332 | 107 | 118 | 137 | 56 | 128 | 39 | 41 | 39 | 34 | 31 | 3 | 0 | - | - | - | - |
Loss from operations, before income taxes | ||||||||||||||||||||
- | -13,788 | -11,746 | -11,359 | - | -8,953 | -10,761 | -9,163 | -8,668 | -8,703 | -7,486 | -6,180 | -3,198 | -2,809 | -2,767 | -2,258 | -1,684 | -1,535 | -1,234 | -956 | -743 |
Income tax benefit | ||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | -518 | -483 | -357 | -299 |
Net loss | ||||||||||||||||||||
-11,872 | -13,788 | -11,746 | -11,359 | -10,078 | -8,953 | -10,761 | -9,163 | -8,668 | -8,703 | -7,486 | -6,180 | -3,198 | -2,809 | -2,767 | -2,258 | -1,684 | -1,017 | -751 | -599 | -444 |
Other comprehensive loss: | ||||||||||||||||||||
Unrealized gain on available-for-sale securities | ||||||||||||||||||||
13 | -4 | -14 | 20 | 3 | 2 | -3 | 3 | 48 | -49 | 4 | 3 | -2 | 1 | -8 | - | 0 | - | - | - | - |
Comprehensive loss | ||||||||||||||||||||
-11,859 | -13,792 | -11,760 | -11,339 | -10,075 | -8,951 | -10,764 | -9,160 | -8,620 | -8,752 | -7,482 | -6,177 | -3,200 | -2,808 | -2,775 | -2,258 | -1,684 | -1,017 | -751 | -599 | -444 |
Net loss per share: | ||||||||||||||||||||
Basic and diluted net loss per share | ||||||||||||||||||||
-0.57 | -0.66 | -0.57 | -0.55 | -0.49 | -0.51 | -0.64 | -0.54 | -0.51 | -0.53 | -0.52 | -0.43 | -0.23 | -0.21 | -0.21 | -0.23 | -0.22 | -0.13 | -0.10 | -0.08 | -0.06 |
Weighted average shares used to compute net loss per common share - basic and diluted | ||||||||||||||||||||
20,838 | 20,799 | 20,774 | 20,728 | 20,679 | 17,656 | 16,927 | 16,881 | 16,842 | 16,574 | 14,381 | 14,233 | 13,803 | 13,315 | 13,315 | 9,791 | 7,565 | 7,565 | 7,565 | 7,565 | 7,565 |