Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Detail Textuals)

v3.20.2
Subsequent Events (Detail Textuals) - USD ($)
1 Months Ended 6 Months Ended
Aug. 12, 2020
Aug. 07, 2020
Aug. 04, 2020
Aug. 31, 2020
Jul. 31, 2020
Jun. 30, 2020
Jun. 30, 2019
Subsequent Event [Line Items]              
Private placement stock issuance costs           $ 0 $ 9,301
Subsequent Event              
Subsequent Event [Line Items]              
Number of common stock called by warrant     8,166,667        
Warrant exercise price     $ 0.075        
Warrants and rights outstanding term     5 years        
Private placement stock issuance costs     $ 825,698        
Proceeds from issuance of private placement     $ 6,113,969        
Subsequent Event | 2014 Plan              
Subsequent Event [Line Items]              
Stock options granted 22,750,000            
Weighted-average fair value of stock options granted $ 0.045            
Additional common shares 18,486,435            
Subsequent Event | Emerald Financing Warrants              
Subsequent Event [Line Items]              
Warrant exercise price       $ 0.10      
Threshold exercise price of warrants to waive rights to anti dilution protection upon subsequent issuances       $ 0.10      
Subsequent Event | Securities Purchase Agreement with H.C. Wainwright & Co., LLC              
Subsequent Event [Line Items]              
Number of common stock units sold         56,333,334    
Number of pre-funded units sold         60,333,334    
Common units sold price per unit         $ 0.06    
Pre-funded units sold price per unit         $ 0.059    
Gross proceeds of units sold         $ 6,939,667    
Warrants and rights outstanding term         5 years    
Subsequent Event | Securities Purchase Agreement with H.C. Wainwright & Co., LLC | Common Stock Warrants              
Subsequent Event [Line Items]              
Warrant exercise price         $ 0.06    
Subsequent Event | Securities Purchase Agreement with H.C. Wainwright & Co., LLC | Pre-funded Warrants              
Subsequent Event [Line Items]              
Warrant exercise price         $ 0.001    
Subsequent Event | Management Deferral Agreement              
Subsequent Event [Line Items]              
Amount of deferral agreements paid to certain senior members of management       $ 293,078      
Subsequent Event | Separation and release agreement              
Subsequent Event [Line Items]              
Payment in consideration for restrictive covenants in Separation Agreement   $ 195,000