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Shareholders’ Equity (Details) - shares | Sep. 30, 2018 | Jun. 22, 2018 | Sep. 30, 2017 | Sep. 30, 2016
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Class of Stock |  |  |  |
Total ordinary and Deferred shares (shares) | 129,074,156 |  | 29,962,741 | 13,921,543
Series A preferred shares |  |  |  |
Class of Stock |  |  |  |
Total ordinary and Deferred shares (shares) | 0 |  | 24,490,705 | 8,994,351
Class B ordinary shares |  |  |  |
Class of Stock |  |  |  |
Total ordinary and Deferred shares (shares) | 0 |  | 3,375,196 | 3,375,196
Class C ordinary shares |  |  |  |
Class of Stock |  |  |  |
Total ordinary and Deferred shares (shares) | 0 |  | 2,096,840 | 1,551,996
Ordinary shares |  |  |  |
Class of Stock |  |  |  |
Total ordinary and Deferred shares (shares) | 40,146,182 |  |  |
Deferred Shares |  |  |  |
Class of Stock |  |  |  |
Total ordinary and Deferred shares (shares) | 34,425 | 34,425 |  |
Deferred B shares |  |  |  |
Class of Stock |  |  |  |
Total ordinary and Deferred shares (shares) | 88,893,548 | 88,893,548 |  |
Deferred C Shares |  |  |  |
Class of Stock |  |  |  |
Total ordinary and Deferred shares (shares) | 1 |  |  |

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