Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) - USD ($)
$ in Thousands |
Total |
Common stock |
Additional Paid-in Capital |
Accumulated Deficit |
| Redeemable convertible preferred stock, beginning balance (in shares) at Jan. 31, 2018 |
36,000,534
|
|
|
|
| Redeemable convertible preferred stock, beginning balance at Jan. 31, 2018 |
$ 83,204
|
|
|
|
| Redeemable convertible preferred stock, ending balance (in shares) at Apr. 30, 2018 |
36,000,534
|
|
|
|
| Redeemable convertible preferred stock, ending balance at Apr. 30, 2018 |
$ 83,204
|
|
|
|
| Beginning balance (in shares) at Jan. 31, 2018 |
|
21,705,352
|
|
|
| Beginning balance at Jan. 31, 2018 |
(56,365)
|
$ 0
|
$ 31,762
|
$ (88,127)
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
| Issuance of common stock upon exercise of stock options and restricted stock agreements, net of repurchases (in shares) |
|
432,964
|
|
|
| Issuance of common stock upon exercise of stock options and restricted stock agreements, net of repurchases |
306
|
|
306
|
|
| Vesting of early exercised options |
59
|
|
59
|
|
| Stock-based compensation |
3,157
|
|
3,157
|
|
| Net loss |
(6,579)
|
|
|
(6,579)
|
| Comprehensive loss |
(6,579)
|
|
|
(6,579)
|
| Ending balance (in shares) at Apr. 30, 2018 |
|
22,138,316
|
|
|
| Ending balance at Apr. 30, 2018 |
$ (59,422)
|
$ 0
|
35,284
|
(94,706)
|
| Redeemable convertible preferred stock, beginning balance (in shares) at Jan. 31, 2019 |
41,273,345
|
|
|
|
| Redeemable convertible preferred stock, beginning balance at Jan. 31, 2019 |
$ 173,023
|
|
|
|
| Increase (Decrease) in Temporary Equity [Roll Forward] |
|
|
|
|
| Conversion of convertible preferred stock to common stock in connection with initial public offering (in shares) |
(41,273,345)
|
|
|
|
| Conversion of convertible preferred stock to common stock in connection with initial public offering |
$ (173,023)
|
|
|
|
| Redeemable convertible preferred stock, ending balance (in shares) at Apr. 30, 2019 |
0
|
|
|
|
| Redeemable convertible preferred stock, ending balance at Apr. 30, 2019 |
$ 0
|
|
|
|
| Beginning balance (in shares) at Jan. 31, 2019 |
|
23,189,921
|
|
|
| Beginning balance at Jan. 31, 2019 |
(68,930)
|
$ 0
|
59,938
|
(128,868)
|
| Increase (Decrease) in Stockholders' Equity [Roll Forward] |
|
|
|
|
| Issuance of common stock upon exercise of stock options and restricted stock agreements, net of repurchases (in shares) |
|
951,830
|
|
|
| Issuance of common stock upon exercise of stock options and restricted stock agreements, net of repurchases |
2,240
|
|
2,240
|
|
| Vesting of early exercised options |
334
|
|
334
|
|
| Stock-based compensation |
4,812
|
|
4,812
|
|
| Net loss |
(12,064)
|
|
|
(12,064)
|
| Comprehensive loss |
(12,064)
|
|
|
(12,064)
|
| Exercise of common stock warrants (in shares) |
|
737,807
|
|
|
| Issuance of common stock in connection with initial public offering, net of underwriting discounts and issuance costs (in shares) |
|
9,860,500
|
|
|
| Issuance of common stock in connection with initial public offering, net of underwriting discounts and issuance costs |
213,697
|
|
213,697
|
|
| Conversion of convertible preferred stock to common stock in connection with initial public offering (in shares) |
|
41,273,345
|
|
|
| Conversion of convertible preferred stock to common stock in connection with initial public offering |
173,023
|
|
173,023
|
|
| Repayment of promissory note |
515
|
|
515
|
|
| Ending balance (in shares) at Apr. 30, 2019 |
|
76,013,403
|
|
|
| Ending balance at Apr. 30, 2019 |
$ 313,627
|
$ 0
|
$ 454,559
|
$ (140,932)
|