Convertible preferred stock rights and preferences (Details)
$ / shares in Units, $ in Thousands |
3 Months Ended |
12 Months Ended |
|
|
Jun. 30, 2018
USD ($)
director
$ / shares
shares
|
Mar. 31, 2018
USD ($)
$ / shares
shares
|
Jun. 30, 2017
shares
|
| Voting |
|
|
|
| Number of directors to be elected | director |
2
|
|
|
| Convertible preferred stock (as converted to common stock) |
|
|
|
| Conversion |
|
|
|
| Outstanding preferred stock held for conversion (as a percent) |
75.00%
|
|
|
| Conversion ratio (in shares) | shares |
19,157,360
|
19,157,360
|
|
| Dividends |
|
|
|
| Dividends declared (in dollars per share) |
$ 0.00
|
$ 0.00
|
|
| Dividends paid | $ |
$ 0
|
$ 0
|
|
| Series Seed preferred stock |
|
|
|
| Voting |
|
|
|
| Number of directors to be elected | director |
2
|
|
|
| Conversion |
|
|
|
| Share price (in dollars per share) |
$ 1.01
|
$ 1.01
|
|
| Conversion ratio (in shares) | shares |
1,989,376
|
1,989,376
|
|
| Conversion price (in dollars per share) |
$ 10.00
|
$ 10.00
|
|
| Series A preferred stock |
|
|
|
| Voting |
|
|
|
| Number of directors to be elected | director |
1
|
|
|
| Conversion |
|
|
|
| Share price (in dollars per share) |
$ 3.49
|
$ 3.49
|
|
| Conversion ratio (in shares) | shares |
8,599,601
|
8,599,601
|
|
| Conversion price (in dollars per share) |
$ 34.70
|
$ 34.70
|
|
| Liquidation preference |
|
|
|
| Liquidation preference (in dollars per share) |
$ 69.40
|
|
|
| Series B preferred stock |
|
|
|
| Voting |
|
|
|
| Number of directors to be elected | director |
2
|
|
|
| Outstanding preferred stock held (as a percent) |
55.00%
|
|
|
| Conversion |
|
|
|
| Share price (in dollars per share) |
$ 6.41
|
$ 6.41
|
|
| Outstanding preferred stock held relating to liquidation preference (as a percent) |
55.00%
|
|
|
| Conversion ratio (in shares) | shares |
8,568,383
|
8,568,383
|
|
| Conversion price (in dollars per share) |
$ 63.79
|
$ 63.79
|
|
| Liquidation preference |
|
|
|
| Liquidation preference (in dollars per share) |
$ 127.58
|
|
|
| Common stock |
|
|
|
| Conversion |
|
|
|
| Conversion ratio (in shares) | shares |
9.94688
|
|
9.94688
|
| Common stock | IPO |
|
|
|
| Conversion |
|
|
|
| Gross proceeds | $ |
$ 30,000
|
|
|
| Share price (in dollars per share) |
$ 9.62
|
|
|