Annual report pursuant to Section 13 and 15(d)

Background and Organization and Going Concern - Narrative (Details)

v3.19.3.a.u2
Background and Organization and Going Concern - Narrative (Details)
12 Months Ended
Oct. 10, 2019
USD ($)
$ / shares
shares
Jun. 16, 2019
USD ($)
$ / shares
shares
Feb. 19, 2019
USD ($)
shares
$ / shares
Feb. 19, 2019
USD ($)
$ / shares
shares
Feb. 19, 2019
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
segment
$ / shares
shares
Dec. 31, 2018
USD ($)
$ / shares
shares
Feb. 11, 2020
USD ($)
Jun. 19, 2019
$ / shares
Dec. 31, 2017
$ / shares
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Number of operating segments | segment           1        
Issuance of common shares for IPO, net of costs (in shares) | shares     2,172,591              
Stock issued during period (in dollars per share) | $ / shares     $ 5.00 $ 5.00 $ 5.00          
Proceeds from issuance of common stock   $ 9,450,000     $ 10,862,955          
Net proceeds from issuance of common stock         9,714,198          
Debt conversion, original amount         11,784,987          
Converted debt, shares issued (in shares) | shares     6,825,391              
Amount of accrued dividends converted to common stock         $ 4,773,480          
Conversion of accrued dividends into common stock, shares issued (in shares) | shares     954,696              
Shares vested (in shares) | shares     127,500              
Common stock, shares outstanding (in shares) | shares     14,613,000 14,613,000 14,613,000 16,932,184 1,998,056      
Percentage of stock ownership after conversion       4.99%            
Convertible debt     $ 47,781 $ 47,781 $ 47,781          
Convertible debt instrument, number of equity instruments     273,034 273,034            
Exercise price of warrants (in dollars per share) | $ / shares           $ 10.97 $ 1.75     $ 0
Number of shares of common stock to be called by each warrant (in shares) | shares 533,775   1,228,431 1,228,431 1,228,431          
Net loss           $ (13,751,877) $ (9,314,936)      
Net cash used in operating activities           (10,605,073) (4,599,677)      
Accumulated deficit           (56,043,371) (42,131,275)      
Working capital           9,309,454        
Cash           $ 12,076,425 $ 133,435      
Subsequent Event                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Cash               $ 10,081,593    
Conversion of Preferred Stock into Common Stock                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Incremental common shares attributable to dilutive effect of conversion of preferred stock | shares     2,534,766              
Warrants Issued in Private Investment in Public Equity Offering                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Proceeds from issuance of common stock $ 6,250,020                  
Exercise price of warrants (in dollars per share) | $ / shares $ 12.88 $ 14.00             $ 16.00  
Number of shares of common stock to be called by each warrant (in shares) | shares 533,775 472,500                
Private Investment in Public Equity Offering                    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                    
Stock issued during period (in dollars per share) | $ / shares   $ 14.00                
Number of units issued | shares 485,250 675,000                
Exercise price of warrants (in dollars per share) | $ / shares   $ 16.00                
Number of common stock per unit | shares 1 1                
Number of warrants per unit | shares 1.1 0.7                
Proceeds from private investment in public equity offering $ 5,738,111 $ 8,643,302