Organization and nature of operations (Details) $ / shares in Units, $ in Millions |
1 Months Ended | |||
|---|---|---|---|---|
|
May 15, 2019
$ / shares
shares
|
May 13, 2019
$ / shares
shares
|
Apr. 26, 2019 |
May 31, 2019
USD ($)
$ / shares
shares
|
|
| Organization and nature of operations | ||||
| Reverse stock split | 0.1880 | |||
| Initial public offering | Common shares | ||||
| Organization and nature of operations | ||||
| Number of shares issued during the period | 5,500,000 | 6,325,000 | ||
| Share Price | $ / shares | $ 15.00 | $ 15.00 | ||
| Gross proceeds of initial public offering | $ | $ 94.9 | |||
| Number of preferred shares converted in to common shares | 17,550,802 | |||
| Underwriters option | Common shares | ||||
| Organization and nature of operations | ||||
| Number of shares issued during the period | 825,000 | |||
| Share Price | $ / shares | $ 15.00 |