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Stockholders' Equity - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Jul. 02, 2021
Aug. 30, 2021
Mar. 27, 2020
Sep. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
Sep. 30, 2021
Dec. 31, 2020
Sep. 27, 2021
Stock Purchase Agreement [Line Items]                    
Net proceeds of offering amount $ 18.8                  
Common stock, shares issued       70,442,309       70,442,309 45,559,765  
Settlement of accrued bonus, shares               1,345,136    
Common Stock                    
Stock Purchase Agreement [Line Items]                    
Issuance of stock, Shares 20,700,000 952,380   20,700,000 2,750,000 6,079,676 8,028,372      
purchase per share value $ 1.00 $ 1.05                
Common stock, shares issued                   200,000
Shares issued. price per share $ 1.00 $ 1.05                
Settlement of accrued bonus, shares               165,413    
Lincoln Park                    
Stock Purchase Agreement [Line Items]                    
Proceeds from shares issued     $ 25,000,000              
Stock Purchase Agreement | Lincoln Park                    
Stock Purchase Agreement [Line Items]                    
Issuance of stock, Shares               2,750,000 10,179,676  
Value of shares issued     $ 5,000,000              
Common stock, shares issued     461,676              
Fair value of common stock shares issued     $ 186,300              
Additional commitment shares issued     230,838              
Proceeds from shares issued               $ 6,900,000 $ 15,500,000