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Stockholders' Equity - At-the-Market Offering - Additional Information (Details) - USD ($)
5 Months Ended 9 Months Ended
Aug. 18, 2020
May 01, 2020
Mar. 11, 2020
Jan. 13, 2020
Sep. 30, 2020
Stockholders Equity Note [Line Items]          
Common Stock Offering Period following underwriting agreement     2 years    
Cantor Fitzgerald & Co [Member]          
Stockholders Equity Note [Line Items]          
Percentage of commission on aggregate gross proceeds 3.00%        
Cantor Fitzgerald & Co [Member] | At-the-Market Offering [Member]          
Stockholders Equity Note [Line Items]          
Shares issued in public offering         6,100
Proceeds from issuance of common stock         $ 70,500
Roth Capital Partners L L C          
Stockholders Equity Note [Line Items]          
Percentage Of Underwriting Fee To Be Received on company offerings       35.00%  
Common Stock Offering Period following underwriting agreement   90 days      
Maximum [Member] | Cantor Fitzgerald & Co [Member]          
Stockholders Equity Note [Line Items]          
At-the-market offering, aggregate offering price $ 10,000,000        
Legal fees and disbursements $ 50,000        
Minimum [Member] | Roth Capital Partners L L C          
Stockholders Equity Note [Line Items]          
Percentage of fee on gross sale price per share 1.05%