Consolidated Balance Sheets (Parenthetical) - $ / shares |
Jun. 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 | 1,975,968 | 1,975,968 |
| Convertible preferred stock (series seed, A and B), issued | 1,925,968 | 1,925,968 |
| Convertible preferred stock (series seed, A and B), outstanding | 1,925,968 | 1,925,968 |
| Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001 |
| Common stock, authorized | 27,314,288 | 27,314,288 |
| Common stock, issued | 5,007,485 | 5,007,485 |
| Common stock, outstanding | 5,007,485 | 5,007,485 |
| Common A stock | ||
| Common stock, authorized | 26,258 | 26,258 |
| Common stock, issued | 26,258 | 26,258 |
| Common stock, outstanding | 26,258 | 26,258 |