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Equity Capital Structure, Reverse Stock Split (Details) | May 28, 2021 $ / shares shares | Dec. 31, 2021 $ / shares shares | Dec. 31, 2020 $ / shares shares | Feb. 11, 2019 shares | Dec. 21, 2018 shares | Sep. 22, 2017 $ / shares
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Reverse Stock Split [Abstract] |  |  |  |  |  |
Reverse stock split | 0.1 |  |  |  |  |
Number of outstanding common shares (in shares) | shares | 89,955,848 | 94,610,088 | 13,121,238 | 240,000 | 240,000 |
Common shares, par value (in dollars per share) | $ / shares | $ 0.001 | $ 0.001 | $ 0.001 |  |  | $ 0.001

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