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Commitment and Contingencies - Additional Information (Details) - USD ($) | Jul. 17, 2019 | Apr. 18, 2019 | May 09, 2018
--- | --- | --- | ---
Loss Contingencies [Line Items] |  |  |
Outstanding balance to vendor |  |  | $ 2,100,000
Settlement Agreement [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Litigation settlement agreement date |  | April 18, 2019 |
Litigation settlement, agreed to pay amount to defendants |  | $ 400,000 |
Settlement Agreement [Member] | Subsequent Event [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Payments for defendants settlement | $ 440,000 |  |
Settlement Agreement [Member] | Maximum [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Settlement fees |  | $ 50,000 |

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