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Consolidated Statements of Operations and Comprehensive Loss (Parenthetical) - Common Stock [Member] | Dec. 24, 2019 | Oct. 22, 2019 | Sep. 17, 2019 | May 02, 2018 | Nov. 06, 2017
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Reverse stock split |  |  | 1:100 | 1:500 | 1:350
Reverse stock split ratio |  |  | 0.01 | 0.002 | 0.0029
Subsequent Event [Member] |  |  |  |  |
Reverse stock split | 1:700 | 1:100 |  |  |
Reverse stock split ratio | 0.0014 | 0.01 |  |  |

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