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Stock Incentive and Employee Benefit Plans (Details) - Summary of share based payment award options issued to employees and nonemployees valuation assumptions - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Jul. 31, 2020
May 31, 2019
Mar. 31, 2019
Mar. 17, 2019
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Weighted-average grant date fair value $ 0.83 $ 0.87        
Expected dividend yield 0.00% 0.00%        
Expected stock-price volatility 90.00%          
Expected stock-price volatility, minimum   89.00%        
Expected stock-price volatility, maximum   104.00%        
Risk-free interest rate 0.53%          
Risk-free interest rate, minimum   1.63%        
Risk-free interest rate, maximum   2.50%        
Term of options 5 years 7 months 6 days          
Fair value per share of common stock on date of grant $ 1.16 $ 1.16 $ 1.16 $ 1.16 $ 1.16 $ 1.16
Exercise price $ 1.16 $ 1.16        
Minimum [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Term of options   5 years 9 months 3 days        
Maximum [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Term of options   6 years 29 days