Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.19.2
Subsequent Events (Details) - USD ($)
1 Months Ended 6 Months Ended
Jul. 31, 2019
Jul. 23, 2019
May 31, 2019
Jun. 30, 2019
Subsequent Event [Line Items]        
Stock options issued (in shares)       95,000
exercise price (usd per share)       $ 0.44
Share issued upon conversion of convertible note (in shares)     1,539,815  
Subsequent events        
Subsequent Event [Line Items]        
Share issued upon conversion of convertible note (in shares) 2,571,429      
Convertible Note        
Subsequent Event [Line Items]        
Convertible note       $ 3,100,000
Convertible promissory note to accredited investor | Convertible Note        
Subsequent Event [Line Items]        
Convertible note     $ 350,000  
Convertible promissory note to accredited investor | Convertible Note | Subsequent events        
Subsequent Event [Line Items]        
Convertible note $ 375,000      
Nonemployee | Stock options | Subsequent events        
Subsequent Event [Line Items]        
Stock options issued (in shares)   100,000    
Number of non-employee directors   5    
Vesting period   12 months    
exercise price (usd per share)   $ 0.15