| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Operating expenses: | |||||||||||||||||||||
Research and development expenses | |||||||||||||||||||||
7,041 | 6,099 | 5,018 | 3,377 | 1,659 | 830 | 11,397 | 18,116 | 26,923 | 34,311 | 30,256 | 30,068 | 27,068 | 24,825 | 23,312 | 23,095 | 20,315 | 17,839 | 14,993 | 0 | 0 | 0 |
General and administrative expenses | |||||||||||||||||||||
9,136 | 10,981 | 10,696 | 8,143 | 6,158 | 2,788 | 6,739 | 10,213 | 13,988 | 17,654 | 16,525 | 16,087 | 15,203 | 14,686 | 14,132 | 12,557 | 11,033 | 8,658 | 6,194 | 0 | 0 | 0 |
Lease termination costs | |||||||||||||||||||||
- | - | 0 | - | - | - | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Restructuring expenses | |||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | 0 | 0 | - | - | - | - | - | - | - | - | - | - |
Impairment of machinery and equipment | |||||||||||||||||||||
- | - | - | - | - | - | - | - | - | 0 | 0 | 0 | 0 | - | - | - | - | - | - | - | - | - |
Total operating expenses | |||||||||||||||||||||
20,130 | 21,034 | 16,686 | 11,549 | 7,845 | 3,646 | 18,137 | 28,330 | 40,912 | 51,966 | 46,782 | 46,155 | 42,271 | 39,512 | 37,444 | 35,652 | 31,348 | 26,498 | 21,187 | 0 | 0 | 0 |
Loss from operations | |||||||||||||||||||||
-20,130 | -21,034 | -16,686 | -11,549 | -7,845 | -3,646 | -18,137 | -28,330 | -40,912 | -51,966 | -46,782 | -46,155 | -42,271 | -39,512 | -37,444 | -35,652 | -31,348 | -26,498 | -21,187 | 0 | 0 | 0 |
Other income (expense): | |||||||||||||||||||||
Bargain purchase gain | |||||||||||||||||||||
1,604 | 13,334 | 11,939 | 11,939 | 11,729 | 0 | 0 | 0 | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - |
Interest income | |||||||||||||||||||||
376 | 353 | 294 | 198 | 23 | 0 | 0 | 0 | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - |
Interest income | |||||||||||||||||||||
- | - | - | - | - | - | - | - | - | 700 | 543 | 385 | 265 | 212 | 154 | 99 | 51 | 9 | 3 | 0 | 0 | 0 |
Interest expense | |||||||||||||||||||||
32 | 33 | 1 | 2 | 3 | 3 | 590 | 1,181 | 1,705 | 2,180 | 2,078 | 1,861 | 1,497 | 1,203 | 918 | 756 | 807 | 816 | 663 | 0 | 0 | 0 |
Warrant remeasurement | |||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1,879 | 1,790 | 0 | 0 | 0 |
Other | |||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | - | - | - | 0 | - | - | - |
Loss before income taxes | |||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 |
Income taxes (benefit) | |||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 |
Net income (loss) | |||||||||||||||||||||
-17,800 | -6,998 | -4,640 | 400 | 3,718 | -3,836 | -15,920 | -26,490 | -39,427 | -50,859 | -46,471 | -45,949 | -41,820 | -38,820 | -37,264 | -36,635 | -32,780 | -28,078 | -23,637 | 0 | 0 | 0 |
Comprehensive income (loss) | |||||||||||||||||||||
-17,800 | -6,998 | -4,640 | 400 | 3,718 | -3,836 | 0 | 0 | 0 | - | 0 | - | -41,820 | -38,820 | -37,264 | -36,635 | -32,780 | -28,078 | 0 | 0 | 0 | - |
Net loss per share, basic and diluted (in dollars per share) | |||||||||||||||||||||
- | - | -1.10 | - | - | - | -0.21 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Per share information: | |||||||||||||||||||||
Net income (loss) per share, basic (in dollars per share) | |||||||||||||||||||||
-0.39 | - | - | -0.75 | 1.82 | - | - | -0.17 | -0.24 | - | - | - | - | - | - | - | - | - | - | - | - | - |
Net income (loss) per share, diluted (in dollars per share) | |||||||||||||||||||||
-0.39 | - | - | -0.75 | 1.47 | - | - | -0.17 | -0.24 | - | - | - | - | - | - | - | - | - | - | - | - | - |
Shares used in computing basic net (loss) income per share (in shares) | |||||||||||||||||||||
10,314 | - | - | 5,175 | 3,748 | - | - | 3,338 | 3,099 | - | - | - | - | - | - | - | - | - | - | - | - | - |
Shares used in computing diluted net (loss) income per share (in shares) | |||||||||||||||||||||
10,314 | - | - | 5,175 | 4,625 | - | - | 3,338 | 3,099 | - | - | - | - | - | - | - | - | - | - | - | - | - |
Cumulative dividend on Series C , C-1 and C-2 convertible preferred stock | |||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4,356 | 4,621 | 0 | 0 | 0 |
Net loss attributable to common stockholders | |||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -32,435 | -28,259 | 0 | 0 | 0 |
Loss per share attributable to common stockholders basic and diluted (in dollars per share) | |||||||||||||||||||||
- | - | - | - | - | - | - | - | - | -0.44 | -0.37 | -0.44 | -0.42 | -0.32 | -0.37 | -0.33 | -0.32 | 10.42 | -7.08 | -4.30 | -3.05 | -2.30 |
Weighted average common shares outstanding basic and diluted (in shares) | |||||||||||||||||||||
- | - | 5,246 | - | - | - | 3,346 | - | - | 31,321 | 30,852 | 30,403 | 28,998 | 28,918 | 28,896 | 28,828 | 28,812 | 27,286 | 1,688 | 1,688 | 1,688 | 1,688 |