Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY (Narrative) (Details)

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STOCKHOLDERS' EQUITY (Narrative) (Details) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2019
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Class of Stock [Line Items]            
Common stock issued       138,292    
Total compensation cost for stock options not yet recognized   $ 13,887   $ 13,887    
Total compensation cost for stock options not yet recognized, period       1 year    
Warrants to purchase shares of common stock   934,581   934,581    
Proceeds from warrants exercise   $ 514,020   $ 2,164,019  
Stock option granted       120,000   2,242,000
Exercise price of stock option       $ 1.00    
Common stock issued for cashless exercise          
Options forfeited       200,000    
Warrant [Member]            
Class of Stock [Line Items]            
Proceeds from warrants exercise     $ 3,000,000      
Common stock issued for cashless exercise       651,982    
2016 Plan [Member]            
Class of Stock [Line Items]            
Shares available for grant   2,500,000   2,500,000    
Employees and directors [Member]            
Class of Stock [Line Items]            
Common stock issued       138,292    
Stock-based compensation expense       $ 28,134    
Common stock issued for cashless exercise       651,982    
Board of Directors [Member]            
Class of Stock [Line Items]            
Stock option granted       120,000    
Exercise price of stock option       $ 1.00    
President and Chief Operating Officer [Member]            
Class of Stock [Line Items]            
Options forfeited     200,000      
Shareholder [Member]            
Class of Stock [Line Items]            
Warrants to purchase shares of common stock 3,000,000 934,581 3,000,000 934,581    
Proceeds from warrants exercise $ 1,650,000 $ 514,020        
Reduced exercise price $ 0.55 $ 0.55 $ 0.55 $ 0.55    
Strike price $ 0.65 $ 0.65 $ 0.65 $ 0.65