Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Narrative)

v3.19.2
Stockholders' Equity (Details Narrative)
6 Months Ended
Jun. 19, 2019
shares
Mar. 28, 2019
USD ($)
$ / shares
shares
Mar. 19, 2019
USD ($)
$ / shares
shares
Mar. 19, 2019
USD ($)
$ / shares
Jun. 21, 2018
USD ($)
$ / shares
shares
Jun. 21, 2018
USD ($)
$ / shares
shares
Jun. 19, 2018
$ / shares
shares
Sep. 12, 2016
Jul. 29, 2016
$ / shares
Jul. 29, 2016
$ / shares
Jun. 30, 2019
USD ($)
$ / shares
shares
Jun. 30, 2018
USD ($)
shares
Dec. 31, 2018
USD ($)
$ / shares
shares
Dec. 31, 2017
USD ($)
Dec. 31, 2015
shares
Net proceeds from offering | $       $ 27,800,000             $ 30,103,307      
Number of warrant to purchase of common stock                     240,000       20,000,000
Common stock, shares outstanding 946,000                   144,205,850   113,287,670    
Warrants [Member]                              
Number of warrant to purchase of common stock                     5,799,429        
Issuance of warrants description                     The Company may call the warrants at any time the common stock trades above $3.00 for twenty (20) consecutive days        
Placement Agency Agreement [Member]                              
Gross proceeds of shares issued | $           $ 8,000,000                  
Net proceeds of shares issued | $           $ 7,100,000                  
Percentage of gross proceeds           7.00%                  
Percentage of non- accountable expenses           1.00%                  
Placement Agency Agreement [Member] | 2018 Placement Agent Warrants [Member]                              
Number of warrant to purchase of common stock         240,000 240,000                  
Fair value of warrants | $         $ 89,000                    
Class of warrant or right, exercise price of warrants or rights | $ / shares         $ 0.75 $ 0.75                  
Warrant term         5 years 5 years                  
Series A Preferred Stock [Member]                              
Preferred stock shares authorized                     10,000,000        
Preferred stock par value | $ / shares                     $ 0.001        
Preferred stock, shares outstanding                     1,467,858        
Preferred stock conversion basis                     Series A Preferred Stock to be converted, multiplied by the stated value of $5.00 per share (the "Stated Value"), divided by the Conversion Price in effect at the time of the conversion (the initial conversion price is $0.50, subject to adjustment in the event of stock splits, stock dividends, and a "fundamental transaction"        
Conversion price per share | $ / shares                 $ 0.50 $ 0.50 $ 0.50        
Number of preferred stock shares converted                     14,678,580        
Intrinsic value | $                     $ 4,400,000        
Dividend rate                 8.00% 8.00%          
Paid in kind dividend | $                     $ 1,200,000        
Dividends in stock                     2,348,572        
Dividend accrued | $                         $ 600 $ 600  
Royalty payment rights, description               The Company is required to pay to the holders of the Series A Preferred Stock, subject to certain vesting requirements, in the aggregate, a royalty (the "Royalty Payment Rights") equal to (i) 4.5% of Net Sales (as defined in the Series A Certificate of Designation), subject in all cases to a cap of $25 million per calendar year, and (ii) 7.5% of Licensing Proceeds (as defined in the Series A Certificate of Designation), subject in all cases to a cap of $10 million per calendar year.     The Series A Preferred Stock includes the right, as a group, to receive: (i) a royalty of 4.5% of the net sales of the Company's MAT2203 and MAT2501 product candidates, in each case from and after the date, respectively, such product candidate has received FDA or EMA approval, and (ii) a royalty of 7.5% of the proceeds, if any, received by the Company in connection with the licensing or other disposition by the Company of MAT2203 and/or MAT2501 ("Royalty Payment Rights").        
Series A Preferred Stock [Member] | Designated [Member]                              
Preferred stock shares authorized                     1,600,000        
Series B Preferred Stock [Member]                              
Preferred stock, shares outstanding                     4,630        
Conversion price per share | $ / shares                     $ 0.50        
Number of preferred stock shares converted                     2,000        
Dividend rate 10.00%                            
Number share issued upon conversion                     189 25      
Stock conversion percentage                     0.501        
Beneficial ownership limitation description                     The Beneficial Ownership Limitation, or such holder, together with such holder's affiliates, and any persons acting as a group together with such holder or affiliates, would beneficially own in excess of the Beneficial Ownership Limitation. The "Beneficial Ownership Limitation" is 4.99% of the number of shares of the Company's common stock outstanding immediately after giving effect to the issuance of shares of common stock issuable upon conversion of Series B Preferred Stock held by the applicable holder. A holder may, prior to issuance of the Series B Preferred Stock or, with 61 days prior notice to us, elect to increase or decrease the Beneficial Ownership Limitation; provided, however, that in no event may the Beneficial Ownership Limitation exceed 9.99%.        
Liquidity value and dividends, description                     (i) a number of shares of common stock equal to 10% of the shares of common stock underlying the Series B Preferred Stock then held by such holder on the 12 month anniversary of the COD Effective Date, (ii) a number of shares of common stock equal to 15% of the shares of common stock underlying the Series B Preferred Stock then held by such holder on the 24-month anniversary of the COD Effective Date and (iii) a number of shares of common stock equal to 20% of the shares of common stock underlying the Series B Preferred Stock then held by such holder on the 36-month anniversary of the COD Effective Date. In the event a purchaser in this offering no longer holds Series B Preferred Stock as of the 12-month anniversary, the 24-month anniversary or the 36-month anniversary, such purchaser will not be entitled to receive any dividends on such anniversary date. Based on an accounting of the holders of record of Series B Preferred Stock on June 19, 2019, the Company paid the 12-month anniversary dividend payment of 10%, totaling 946,000 shares of common stock.        
Liquidation value of preferred share value | $ / shares                     $ 1,000        
Series B Preferred Stock [Member] | Undesignated [Member]                              
Preferred stock shares authorized             8,000                
Series B Convertible Preferred Stock [Member]                              
Preferred stock shares authorized                     8,000   8,000    
Preferred stock par value | $ / shares                     $ 1,000   $ 1,000    
Preferred stock, shares outstanding                     4,630   4,819    
Series B Convertible Preferred Stock [Member] | Placement Agency Agreement [Member]                              
Preferred stock par value | $ / shares             $ 0.0001                
Number share issued upon conversion             8,000                
Preferred stock stated value | $ / shares             $ 1,000                
Common Stock [Member] | Placement Agency Agreement [Member]                              
Conversion price per share | $ / shares             $ 0.50                
Number share issued upon conversion             16,000,000                
Number of common shares issued             7,200,000                
Maximum [Member] | Warrants [Member]                              
Class of warrant or right, exercise price of warrants or rights | $ / shares                     $ 0.75        
Minimum [Member] | Warrants [Member]                              
Class of warrant or right, exercise price of warrants or rights | $ / shares                     0.50        
Holders [Member] | Series B Preferred Stock [Member]                              
Conversion price per share | $ / shares                     $ 0.50        
Number of preferred stock shares converted                     9,260,000        
BTIG, LLC [Member]                              
Offering sale of public shares   2,199,259 27,272,727                        
Price per share | $ / shares   $ 1.10 $ 1.10 $ 1.10                      
Gross proceeds from offering | $     $ 30,500,000                        
Net proceeds from offering | $   $ 2,300,000 $ 27,800,000                        
BTIG, LLC [Member] | Underwriters [Member] | Maximum [Member]                              
Number of options to purchase common stock     4,090,909