Quarterly report pursuant to Section 13 or 15(d)

Stockholders??? (Deficit) Equity (Details Textual)

v3.20.1
Stockholders’ (Deficit) Equity (Details Textual)
3 Months Ended 11 Months Ended
Oct. 10, 2019
USD ($)
$ / shares
shares
Sep. 19, 2019
Jun. 19, 2019
$ / shares
shares
Jun. 16, 2019
USD ($)
$ / shares
shares
May 08, 2019
shares
Feb. 19, 2019
USD ($)
$ / shares
shares
Mar. 31, 2020
USD ($)
$ / shares
shares
Mar. 31, 2019
USD ($)
Mar. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
$ / shares
shares
Feb. 28, 2019
$ / shares
shares
Jan. 31, 2019
$ / shares
shares
Dec. 31, 2018
$ / shares
shares
Nov. 30, 2012
shares
Shares vested in period (in shares)           127,500                
Granted (in shares)             387,500              
Grants in period, weighted average exercise price (in dollars per share) | $ / shares             $ 11.74              
Share price (in dollars per share) | $ / shares           $ 4.87                
Number of securities called by warrants (in shares) 533,775         1,228,431                
Exercise price of warrants or rights (in dollars per share) | $ / shares             $ 11.07   $ 11.07 $ 10.97        
Term of warrants and rights outstanding 5 years                          
Warrants outstanding | $ $ 4,537,648         $ 1,636,232                
Purchase price (in dollars per share) | $ / shares           $ 5.00                
Gross proceeds from issuance of common stock | $       $ 9,450,000   $ 10,862,955                
Private Investment in Public Equity Offering                            
Number of units issued (in shares) 485,250     675,000                    
Purchase price (in dollars per share) | $ / shares       $ 14.00                    
Number of common stock per unit (in shares) 1     1                    
Proceeds from PIPE Offering | $ $ 5,738,111                          
Number of warrants per unit (in shares) 1.1   0.7                      
Convertible Debt | Fifth Note                            
Unamortized discount remaining | $           $ 664,953                
Measurement Input, Discount Rate                            
Warrants outstanding, measurement input 0.0159                          
Measurement Input, Expected Term                            
Warrants outstanding, measurement input           5                
Measurement Input, Expected Dividend Payment                            
Warrants outstanding, measurement input           0                
Measurement Input, Share Price                            
Warrants outstanding, measurement input           1.67                
Warrant Issued Under Fourth and Fifth Note                            
Number of securities called by warrants (in shares)                         776,350  
Exercise price of warrants or rights (in dollars per share) | $ / shares                         $ 1.75  
Term of warrants and rights outstanding                         5 years  
Fifth Note                            
Number of securities called by warrants (in shares)                     300,000 300,000    
Exercise price of warrants or rights (in dollars per share) | $ / shares                     $ 1.75 $ 1.75    
Warrants Issued to Underwriters                            
Number of securities called by warrants (in shares)           152,081                
Exercise price of warrants or rights (in dollars per share) | $ / shares           $ 6.00                
Warrants Issued in Private Investment in Public Equity Offering                            
Number of securities called by warrants (in shares) 533,775     472,500                    
Exercise price of warrants or rights (in dollars per share) | $ / shares $ 12.88   $ 16.00                      
Warrants outstanding | $       $ 4,420,503                    
Gross proceeds from issuance of common stock | $ $ 6,250,020                          
Total proceeds from issuance or sale of equity | $       $ 8,643,302                    
Warrants Issued in Private Investment in Public Equity Offering | Measurement Input, Discount Rate                            
Warrants outstanding, measurement input       0.0185                    
Warrants Issued in Private Investment in Public Equity Offering | Measurement Input, Expected Term                            
Warrants outstanding, measurement input       5                    
Warrants Issued in Private Investment in Public Equity Offering | Measurement Input, Price Volatility                            
Warrants outstanding, measurement input       0.85                    
Warrants Issued in Private Investment in Public Equity Offering | Measurement Input, Expected Dividend Payment                            
Warrants outstanding, measurement input       0                    
Warrants Issued in Private Investment in Public Equity Offering | Measurement Input, Share Price                            
Warrants outstanding, measurement input       14.30                    
Minimum | Measurement Input, Discount Rate                            
Warrants outstanding, measurement input           0.025                
Minimum | Measurement Input, Price Volatility                            
Warrants outstanding, measurement input 0.8292         0.84                
Maximum | Measurement Input, Discount Rate                            
Warrants outstanding, measurement input           0.028                
Maximum | Measurement Input, Price Volatility                            
Warrants outstanding, measurement input           0.85                
Restricted Stock                            
Shares vested in period (in shares)             12,498   54,162          
Unvested shares remaining (in shares)             145,838   145,838 158,336        
Stock-based compensation expense | $             $ 126,219 $ 264,453            
Unamortized expense remaining | $             $ 1,556,698   $ 1,556,698          
Restricted Stock | Share-based Payment Arrangement, Tranche One                            
Shares vested in period (in shares)         25,000                  
Restricted Stock | Share-based Payment Arrangement, Tranche Two                            
Shares vested in period (in shares)             175,000              
Award vesting period         4 months                  
Share-based Payment Arrangement, Option                            
Stock-based compensation expense | $             $ 585,267 $ 247,592            
Unamortized expense remaining | $             6,146,925   $ 6,146,925          
Aggregate grant date fair value | $             3,247,052              
Fair value assumptions, expected dividend payments | $             $ 0              
Share-based Payment Arrangement, Option | Minimum                            
Expiration term period             5 years              
Fair value assumptions discount rate             1.42%              
Fair value assumptions, expected term             5 years 9 months              
Fair value assumptions, expected volatility rate             83.10%              
Share price (in dollars per share) | $ / shares             $ 11.71   $ 11.71          
Share-based Payment Arrangement, Option | Maximum                            
Expiration term period             10 years              
Fair value assumptions discount rate             1.56%              
Fair value assumptions, expected term             6 years 3 months              
Fair value assumptions, expected volatility rate             83.40%              
Share price (in dollars per share) | $ / shares             $ 13.50   $ 13.50          
Share-based Payment Arrangement, Option | Share-based Payment Arrangement, Tranche One                            
Award vesting period   42 months                        
Share-based Payment Arrangement, Option | Share-based Payment Arrangement, Tranche One | Minimum                            
Award vesting rights, percentage             8.33%              
Share-based Payment Arrangement, Option | Share-based Payment Arrangement, Tranche One | Maximum                            
Award vesting rights, percentage             25.00%              
Share-based Payment Arrangement, Option | Share-based Payment Arrangement, Tranche Two | Maximum                            
Award vesting period             4 years              
Three Consultants | Restricted Stock                            
Grants of restricted stock in period (in shares)         200,000                  
Certain Individuals                            
Granted (in shares)             387,500              
Grants in period, weighted average exercise price (in dollars per share) | $ / shares             $ 11.74              
2012 Long Term Incentive Plan                            
Common stock, capital shares reserved for future issuance (in shares)                           789,745
Number of shares remaining (in shares)             14,745   14,745          
2018 Stock Plan                            
Common stock, capital shares reserved for future issuance (in shares)             3,400,000   3,400,000          
Number of shares remaining (in shares)             143,950   143,950          
Conversion of Preferred Stock To Common Stock                            
Issuance of common shares for extinguishment of preferred shares (in shares)           2,534,766                
Conversion of Accrued Dividends Into Common Stock                            
Issuance of common shares for extinguishment of preferred shares (in shares)           954,696