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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