CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares |
Sep. 30, 2018 |
Mar. 31, 2018 |
|---|---|---|
| Convertible preferred stock (series seed, A and B), par value (in dollars per share) | $ 0.001 | $ 0.001 |
| Convertible preferred stock (series seed, A and B), authorized | 0 | 1,975,968 |
| Convertible preferred stock (series seed, A and B), issued | 0 | 1,925,968 |
| Convertible preferred stock (series seed, A and B), outstanding | 0 | 1,925,968 |
| Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001 |
| Common stock, authorized | 150,000,000 | 27,314,288 |
| Common stock, issued | 31,553,672 | 5,007,485 |
| Common stock, outstanding | 31,553,672 | 5,007,485 |
| Common A stock | ||
| Common stock, authorized | 0 | 26,258 |
| Common stock, issued | 0 | 26,258 |
| Common stock, outstanding | 0 | 26,258 |