Quarterly report pursuant to Section 13 or 15(d)

Equity (Details Textual)

v3.19.2
Equity (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Jan. 09, 2019
Apr. 30, 2019
Apr. 25, 2019
Apr. 25, 2019
Feb. 27, 2019
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Equity (Textual)                    
Preferred stock, authorized           10,000,000   10,000,000   10,000,000
Preferred stock, par value (in dollars per share)           $ 0.0001   $ 0.0001   $ 0.0001
Common stock, authorized           490,000,000   490,000,000   490,000,000
Common stock, par value (in dollars per share)           $ 0.0001   $ 0.0001   $ 0.0001
Preferred stock, issued              
Preferred stock, outstanding              
Common stock, issued           76,175,639   76,175,639   73,830,751
Common stock, outstanding           75,655,639   75,655,639   73,310,751
Stock warrants issued 578,891                  
Warrants exercise price     $ 2.82 $ 2.82   $ 3.50   $ 3.50    
Stock-based compensation expense               $ 4,717,907 $ 1,082,923  
Shares of common stock upon cashless exercise         200,000          
Fair value of warrants liability       $ 3,517,241   $ (461,493) (461,493)    
Investor warrants           $ 3,055,748   3,055,748  
Common stock issued 350,856       158,932          
Investor [Member]                    
Equity (Textual)                    
Description of purchage agreements     The Company entered into a purchase agreement with several third party institutional investors for the purchase of 1,714,288 units in a registered direct offering, for gross proceeds of $6,000,008 before placement agent fees and other offering expenses payable by the Company. Each unit was sold at a public offering price of $3.50 and consists of one share of common stock and a warrant to purchase one share of common stock. The Company received net cash proceeds of $5,103,704, net of cash paid for placement agent fees and other offering expenses.              
Consultants [Member]                    
Equity (Textual)                    
Common stock issued   120,812                
Stock-based compensation   313,800                
Common Stock                    
Equity (Textual)                    
Common shares sold for cash (in shares)           1,714,288        
Non Employee Stock Option [Member]                    
Equity (Textual)                    
Compensation and related benefits               444,732 383,042  
Aggregate value of nonvested options           $ 905,696   $ 905,696    
Amortization of stock-based compensation expense               1 month 16 days    
Intrinsic value of stock options outstanding           557,900   $ 557,900    
Intrinsic value of stock options exercisable           548,800   $ 548,800    
Stock-based compensation               180,000    
Non Employee Stock Option [Member] | Common Stock                    
Equity (Textual)                    
Aggregate fair value of options granted           $ 490,098        
Aggregate fair value of options granted per share           $ 3.50        
Common stock granted price           $ 3.50        
Employee Stock Option [Member]                    
Equity (Textual)                    
Aggregate fair value of options granted               $ 5,956,574 337,523  
Compensation and related benefits           $ 1,510,545 $ 79,193 2,935,484 $ 151,480  
Aggregate value of nonvested options           3,507,957   $ 3,507,957    
Amortization of stock-based compensation expense               6 months 29 days    
Intrinsic value of stock options outstanding           5,539,600   $ 5,539,600    
Intrinsic value of stock options exercisable           $ 4,137,933   $ 4,137,933    
Stock-based compensation               2,250,000