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v3.19.3.a.u2

Consolidated Statements of Stockholders' Equity (Deficit) (Parenthetical) | Dec. 24, 2019 $ / shares | Oct. 22, 2019 $ / shares | Sep. 17, 2019 $ / shares | May 02, 2018 | Nov. 06, 2017 | Sep. 30, 2019 $ / shares | Dec. 31, 2018 $ / shares | Dec. 31, 2017 $ / shares
--- | --- | --- | --- | --- | --- | --- | --- | ---
Common stock par value per share |  |  | $ 0.01 |  |  | $ 0.01 | $ 0.01 | $ 0.01
Preferred stock issued, par value |  |  |  |  |  | $ 0.01 | $ 0.01 | $ 0.01
Common Stock [Member] |  |  |  |  |  |  |  |
Reverse stock split ratio |  |  | 0.01 | 0.002 | 0.0029 |  |  |
Reverse stock split |  |  | 1:100 | 1:500 | 1:350 |  |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |
Common stock par value per share |  | $ 0.01 |  |  |  |  |  |
Subsequent Event [Member] | Common Stock [Member] |  |  |  |  |  |  |  |
Common stock par value per share | $ 0.01 |  |  |  |  |  |  |
Reverse stock split ratio | 0.0014 | 0.01 |  |  |  |  |  |
Reverse stock split | 1:700 | 1:100 |  |  |  |  |  |

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