Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

v3.19.1
Stockholders' Equity (Details Textual) - USD ($)
1 Months Ended 9 Months Ended 12 Months Ended
Mar. 27, 2019
Mar. 09, 2019
Jan. 02, 2019
Oct. 12, 2018
Dec. 31, 2018
Dec. 20, 2018
Oct. 18, 2018
Feb. 28, 2018
Jan. 31, 2017
Dec. 31, 2014
Mar. 31, 2019
Jun. 30, 2018
Stockholders' Equity (Textual)                        
Aggregate common stock issued                     $ 7,288,225  
Net proceeds                     $ 5,941,547  
Percentage of convertible promissory notes       7.00%     7.00%          
Converted shares of common stock       10,731,669     10,731,669          
Warrants exercise price                     $ 0.99  
Options [Member]                        
Stockholders' Equity (Textual)                        
Number of options granted           2,700,000     4,111,768 1,611,769    
Stock options exercisable period           10 years         10 years  
Number of shares available for future grants under stock option plan                     4,868,528  
Options exercise price           $ 1.15            
Vesting period           4 years         4 years  
Shares authorized to be issued               2,500,000 2,500,000      
Aggregate fair value of options           $ 2,500,000            
Discount rate           2.69%            
Expected life term           6 years 2 months 30 days            
Expected volatility rate           102.30%            
Expected dividends rate           0.00%            
Stock-based compensation expense                     $ 3,448,900  
Weighted average remaining service period                     3 years 4 months 6 days  
Common stock authorized for issuance         4,000,000              
Options [Member] | Minimum [Member]                        
Stockholders' Equity (Textual)                        
Number of options granted               4,111,768        
Common stock authorized for issuance         6,611,768              
Options [Member] | Maximum [Member]                        
Stockholders' Equity (Textual)                        
Number of options granted               6,611,768        
Common stock authorized for issuance         10,611,768              
Options [Member]                        
Stockholders' Equity (Textual)                        
Number of options granted                     2,700,000  
Weighted average fair value of options granted                     $ 1.15  
Aggregate intrinsic value of warrants outstanding                     $ 4,057,000 $ 215,000
Weighted average remaining service period                     7 years 7 months 6 days  
Warrants [Member]                        
Stockholders' Equity (Textual)                        
Number of options granted   71,429 120,000     100,000            
Stock options exercisable period   5 years 10 years     10 years            
Options exercise price   $ 1.75 $ 1.15     $ 1.15            
Weighted average fair value of options granted                     $ 1.50  
Aggregate fair value of options   $ 95,131 $ 112,183     $ 93,762            
Discount rate   2.42% 2.49%     2.69%            
Expected life term   5 years 6 years 2 months 30 days     6 years 2 months 30 days            
Expected volatility rate   102.00% 102.30%     102.30%            
Expected dividends rate   0.00% 0.00%     0.00%            
Warrants issued $ 357,142                      
Warrants exercise price $ 2.25                   1.50  
Price per unit                     $ 0.90  
Term of warrant                     5 years  
Common stock issuable upon exercise of warrants                     2,574,570 2,574,570
Legal costs                     $ 40,000  
Warrants [Member] | Placement agent [Member]                        
Stockholders' Equity (Textual)                        
Warrants issued                     $ 854,334  
Warrants exercise price                     $ 0.99  
Term of warrant                     5 years  
Common Stock and Warrant [Member]                        
Stockholders' Equity (Textual)                        
Price per unit                     $ 0.65  
Unit Purchase Agreements and Subscription Agreements [Member]                        
Stockholders' Equity (Textual)                        
Common stocks issued 714,285                      
Net proceeds $ 1,000,000                      
Price per unit $ 1.40                      
Unit Purchase Agreements and Subscription Agreements [Member] | Common Stock and Warrant [Member]                        
Stockholders' Equity (Textual)                        
Price per unit $ 0.50