Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Details)

v3.20.2
Subsequent Events - Additional Information (Details) - Subsequent Event [Member]
Nov. 10, 2020
Nov. 05, 2020
shares
Oct. 12, 2020
shares
Subsequent Event [Line Items]      
Reverse stock split ratio On November 10, 2020, the Company’s shareholders approved an amendment to our Amended and Restated Certificate of Incorporation to effect a reverse stock split of the Company’s outstanding shares of common stock at a stock split ratio of between 1-for-25 and 1-for-75, inclusive, which ratio will be selected at the sole discretion of our Board of Directors.    
Maximum [Member]      
Subsequent Event [Line Items]      
Stock split ratio 0.04    
Minimum [Member]      
Subsequent Event [Line Items]      
Stock split ratio 0.013    
Employees [Member] | Restricted Stock Award [Member]      
Subsequent Event [Line Items]      
Granted   3,350,000  
Award Vesting Period   3 years  
Employees [Member] | Performance Stock Award [Member]      
Subsequent Event [Line Items]      
Granted   3,350,000  
Award Vesting Period   3 years  
2018 Equity Incentive Plan [Member]      
Subsequent Event [Line Items]      
Common stocvk reserve for issuance     9,000,000
2018 Equity Incentive Plan [Member] | Director [Member]      
Subsequent Event [Line Items]      
Restricted stock awards granted     500,000