Quarterly report pursuant to Section 13 or 15(d)

I. STOCK OPTIONS AND WARRANTS (Details-Options Outstanding and Exercisable)

v3.19.2
I. STOCK OPTIONS AND WARRANTS (Details-Options Outstanding and Exercisable) - Employee Stock Options [Member] - $ / shares
6 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]      
Options Outstanding Number Outstanding 3,349,793 3,349,793 4,376,474
Options Outstanding Weighted Average Remaining Contractual Life (Years) 6 years 2 months 26 days    
Options Outstanding Weighted Average Exercise Price $ 0.16 $ 0.16 $ 0.18
Options Exercisable Number Exercisable 3,171,488    
Options Exercisable Weighted Average Exercise Price $ 0.16    
$0.01 - $0.15 [Member]      
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]      
Options Outstanding Number Outstanding 2,000,000    
Options Outstanding Weighted Average Remaining Contractual Life (Years) 7 years 6 months 4 days    
Options Outstanding Weighted Average Exercise Price $ 0.14    
Options Exercisable Number Exercisable 2,000,000    
Options Exercisable Weighted Average Exercise Price $ 0.14    
$0.16 - $0.99 [Member]      
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]      
Options Outstanding Number Outstanding 1,349,793    
Options Outstanding Weighted Average Remaining Contractual Life (Years) 4 years 4 months 6 days    
Options Outstanding Weighted Average Exercise Price $ 0.18    
Options Exercisable Number Exercisable 1,171,488    
Options Exercisable Weighted Average Exercise Price $ 0.18