Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.19.3
Subsequent Events (Details) - USD ($)
Nov. 13, 2019
Nov. 07, 2019
Oct. 28, 2019
Sep. 30, 2019
Dec. 31, 2018
Subsequent Event [Line Items]          
Warrants, exercise price       $ 25.37 $ 26.19
Subsequent Event [Member]          
Subsequent Event [Line Items]          
Stock options granted to executives     94,000    
Stock options granted to executives, fair value     $ 184,689    
Subsequent Event [Member] | Offering [Member]          
Subsequent Event [Line Items]          
Gross proceeds $ 3,500,000 $ 3,500,000      
Estimated net proceeds $ 3,100,000 $ 3,100,000      
Number of common stock, shares issued 544,950        
Subsequent Event [Member] | Offering [Member] | Pre Funded Warrant [Member]          
Subsequent Event [Line Items]          
Number of warrants issued 868,443        
Pre-funded Warrant Price $ 2.4763        
Subsequent Event [Member] | Offering [Member] | Other Warrants [Member]          
Subsequent Event [Line Items]          
Number of warrants issued 1,766,751        
Warrants, exercise price $ 2.32        
Warrants, term 5 years        
Subsequent Event [Member] | Offering [Member] | Placement Agent Warrant [Member]          
Subsequent Event [Line Items]          
Number of warrants issued 70,670        
Warrants, exercise price $ 2.9716        
Subsequent Event [Member] | Dr. Lon E. Bell, Chief Executive Officer and Chairman of the Board [Member] | Offering [Member]          
Subsequent Event [Line Items]          
Number of common stock, shares issued 201,914        
Number of warrants issued 252,393        
Investment made $ 500,000        
Number of days to file the registration statement with the SEC 30 days