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Stockholders' Equity - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 11, 2020
Feb. 29, 2020
Dec. 31, 2019
Class of Stock [Line Items]          
Net proceeds from issuance of stock and warrants $ 453,457 $ 0      
Common stock, par value (in dollars per share) $ 0.0001       $ 0.0001
Common Stock, Shares, Issued 1,687,752       1,400,674
Common Stock, Value, Issued $ 168       $ 140
Compensation cost not yet recognized $ 408,144        
Compensation cost not yet recognized, period for recognition 9 months 18 days        
Series D Convertible Preferred Stock          
Class of Stock [Line Items]          
Preferred stock, shares outstanding (in shares) 0       0
Conversion of Stock, Shares Converted   526      
Series E Convertible Preferred Stock          
Class of Stock [Line Items]          
Preferred stock, shares outstanding (in shares) 0       0
Conversion of Stock, Shares Converted   (1,919.9)      
Common Stock [Member] | Series D Convertible Preferred Stock          
Class of Stock [Line Items]          
Convertible preferred stock, shares issued upon conversion (in shares)   (20,000)      
Common Stock [Member] | Series E Convertible Preferred Stock          
Class of Stock [Line Items]          
Convertible preferred stock, shares issued upon conversion (in shares)   (73,000)      
Separation Agreement [Member]          
Class of Stock [Line Items]          
Stock Price (in dollars per share)     $ 1.41    
Common Stock, Shares, Issued 31,000        
Common Stock, Value, Issued $ 43,751        
At The Market Offering Program [Member]          
Class of Stock [Line Items]          
Common stock, par value (in dollars per share)       $ 0.0001  
Maximum Aggregate Offering Price       $ 2,200,000  
Common Stock, Shares, Issued 256,078        
Proceeds from Issuance of Common Stock $ 453,457