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Restructuring Charges and Other Severance Related Charges - Additional Information (Details) |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Oct. 01, 2019 USD ($) | Jul. 31, 2019 USD ($) | May 29, 2019 USD ($) | Jun. 30, 2019 Employee | Dec. 31, 2019 USD ($)
Restructuring Cost And Reserve [Line Items] |  |  |  |  |
Accrued liabilities in connection with remaining unpaid obligations |  |  |  |  | $ 25,000
Employee Severance |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |
Severance and other costs settled in cash |  |  | $ 1,050,000 |  |
Number of employees terminated | Employee |  |  |  | 32 |
Employee Severance | Frank Amato |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |
Severance payment | $ 800,000 |  |  |  |
Restructuring charge including accelerated stock-based compensation expense |  |  |  |  | $ 800,000
Employee Severance | Former Officer |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |
Severance payment |  | $ 147,500 |  |  |

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