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Subsequent Events - Stock Options - Additional Information (Details) - $ / shares
1 Months Ended 11 Months Ended 12 Months Ended
Feb. 29, 2020
Dec. 31, 2020
Dec. 31, 2019
Apr. 30, 2020
Subsequent Event [Line Items]        
Stock options granted     1,769,250  
Subsequent Event [Member] | Board of Directors [Member]        
Subsequent Event [Line Items]        
Stock options granted 70,000      
Stock option expiration period 10 years 10 years    
Stock option exercise price $ 2.50 $ 2.50    
Stock option vest ratably years 3 years      
Stock options granted, description the Board of Directors granted 70,000 stock options as compensation to board members with an exercise price of $2.50 and a 10-year life. The options vest ratably over three years. One-quarter (1/4) of the options vest and become exercisable on the grant date. The remaining vest and become exercisable ratably on the first, second, and third anniversaries of the date of grant. the Board of Directors granted an additional 3,324,999 stock options with an exercise price of $2.50 and a 10-year life. For 1,380,000 of the stock options granted, one-quarter (1/4) vest and become exercisable on the grant date, with the remainder vesting and becoming exercisable ratably on the first, second, and third anniversaries of the date of grant. The remaining 1,944,999 stock options granted were fully vested and exercisable on the grant date.    
Additional stock options granted   3,324,999    
Partly vested and exercisable number of remaining stock options granted   1,380,000    
Fully vested and exercisable number of remaining stock options granted   1,944,999    
Subsequent Event [Member] | Stock Incentive Plan [Member] | Board of Directors [Member]        
Subsequent Event [Line Items]        
Number of shares approved and available under stock option 9,250,000     12,000,000