Quarterly report pursuant to Section 13 or 15(d)

Common and Preferred Stock - Private Placement (Details)

v3.20.2
Common and Preferred Stock - Private Placement (Details) - USD ($)
Nov. 13, 2019
Nov. 07, 2019
Jun. 30, 2020
Dec. 31, 2019
Aug. 15, 2019
Common stock, par value     $ 0.001 $ 0.001 $ 0.001
Pre Funded Warrant          
Common stock, par value     $ 0.001    
Offering          
Common stock, par value $ 2.4763        
Gross proceeds   $ 3,500,000      
Estimated net proceeds   $ 3,100,000      
Number of common stock, shares issued 544,950        
Investment made $ 500,000        
Offering | Pre Funded Warrant          
Pre-funded Warrant Price $ 2.4763        
Number of warrants issued 868,443        
Warrants, exercise price $ 0.001        
Offering | Other Warrants [Member]          
Number of warrants issued 1,766,751        
Warrants, exercise price $ 2.32        
Warrants, term 5 years        
Offering | Placement Agent Warrant [Member]          
Number of warrants issued 70,670        
Warrants, exercise price $ 2.9716        
Dr. Lon E. Bell, Chief Executive Officer and Chairman of the Board [Member] | Offering          
Number of common stock, shares issued 201,914        
Number of warrants issued 252,393