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Income (Loss) Per Share (Details Textual) - Restricted shares granted on June 30, 2015 [Member] - shares | 3 Months Ended | 9 Months Ended
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Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Income (Loss) Per Share (Textual) |  |  |  |
Vested restricted shares granted | 307,000 | 13,338 | 307,000 | 13,338
Unvested restricted shares | 1,580,000 | 141,333 | 1,580,000 | 141,333

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- Definition Unvested restricted shares. + References No definition available. + Details
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- Definition Vested restricted shares granted. + References No definition available. + Details
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- Details
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