Annual report pursuant to Section 13 and 15(d)

Subsequent Event (Details)

v3.20.1
Subsequent Event (Details) - USD ($)
1 Months Ended 12 Months Ended
Apr. 24, 2020
Dec. 31, 2019
Subsequent Event (Textual)    
Number of shares   9,500,000
Net proceeds   $ 9,600,000
Forecast [Member]    
Subsequent Event (Textual)    
Number of shares 210,800,000  
Pre-funded warrant exercise price $ 0.0001  
Gross proceeds $ 31,600,000  
Subsequent event, description The price to the public in this offering for each share of common stock was $0.15, and the price to the public in this offering for each pre-funded warrant was $0.1499.  
Lincoln Park Capital Fund, LLC [Member]    
Subsequent Event (Textual)    
Number of shares   800,000
Net proceeds   $ 200,000