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Organization and Description of the Business (Details) $ in Millions |  | 9 Months Ended
--- | --- | ---
May 09, 2019 USD ($) shares | Sep. 30, 2019
Reverse stock split ratio |  | 0.0714
C3J [Member] |  |
Number of shares issued per common stock outstanding | shares | 6,906.0000 |
Reverse stock split ratio | 0.0714 |
Anticipated purchase of common shares upon completion of merger | $ | $ 10.0 |
Percentage of ownership | 76.00% |
AmpliPhi Biosciences Corporation [Member] |  |
Percentage of ownership | 24.00% |

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