Condensed Consolidated Statements of Change in Convertible Preferred Stock and Shareholders' Equity (Deficit) - USD ($)
$ in Thousands |
Total |
Common Stock (Class A and B) |
Additional Paid-in Capital |
Accumulated Deficit |
Accumulated Other Comprehensive Income (Loss) |
| Beginning balance, convertible preferred stock (in shares) at Jan. 31, 2018 |
67,619,377
|
|
|
|
|
| Beginning balance, convertible preferred stock at Jan. 31, 2018 |
$ 112,687
|
|
|
|
|
| Ending balance, convertible preferred stock (in shares) at Apr. 30, 2018 |
67,619,377
|
|
|
|
|
| Ending balance, convertible preferred stock at Apr. 30, 2018 |
$ 112,687
|
|
|
|
|
| Beginning balance, common stock (in shares) at Jan. 31, 2018 |
|
20,280,741
|
|
|
|
| Beginning balance at Jan. 31, 2018 |
(80,741)
|
$ 0
|
$ 25,892
|
$ (106,633)
|
$ 0
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
| Stock option exercises (in shares) |
|
1,759,288
|
|
|
|
| Issuance of common stock under employee stock plans |
1,681
|
|
1,681
|
|
|
| Share-based compensation expense |
1,842
|
|
1,842
|
|
|
| Comprehensive loss |
(14,330)
|
|
|
(14,330)
|
0
|
| Ending balance, common stock (in shares) at Apr. 30, 2018 |
|
22,040,029
|
|
|
|
| Ending balance at Apr. 30, 2018 |
$ (91,548)
|
$ 0
|
29,415
|
(120,963)
|
0
|
| Beginning balance, convertible preferred stock (in shares) at Jan. 31, 2019 |
0
|
|
|
|
|
| Beginning balance, convertible preferred stock at Jan. 31, 2019 |
$ 0
|
|
|
|
|
| Ending balance, convertible preferred stock (in shares) at Apr. 30, 2019 |
0
|
|
|
|
|
| Ending balance, convertible preferred stock at Apr. 30, 2019 |
$ 0
|
|
|
|
|
| Beginning balance, common stock (in shares) at Jan. 31, 2019 |
20,280,741
|
104,971,443
|
|
|
|
| Beginning balance at Jan. 31, 2019 |
$ 166,992
|
$ 0
|
327,510
|
(160,518)
|
0
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
|
| Stock option exercises (in shares) |
|
1,406,960
|
|
|
|
| Issuance of common stock under employee stock plans |
9,159
|
|
9,159
|
|
|
| Share-based compensation expense |
6,453
|
|
6,453
|
|
|
| Comprehensive loss |
$ (19,809)
|
|
|
(19,809)
|
0
|
| Ending balance, common stock (in shares) at Apr. 30, 2019 |
0
|
106,378,403
|
|
|
|
| Ending balance at Apr. 30, 2019 |
$ 162,795
|
$ 0
|
$ 343,122
|
$ (180,327)
|
$ 0
|