Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
J. STOCK OPTIONS AND WARRANTS (Details-Options Outstanding and Exercisable) - Employee Stock Options [Member] - $ / shares
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]      
Options outstanding 3,349,793 3,349,793 3,349,793
Options outstanding, weighted average remaining contractual life (Years) 5 years 5 months 23 days    
Options outstanding, weighted average exercise price $ 0.16 $ 0.16 $ 0.16
Options exercisable 3,227,001    
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 2,000,000    
Options outstanding, weighted average remaining contractual life (Years) 6 years 9 months 3 days    
Options outstanding, weighted average exercise price $ 0.14    
Options exercisable 2,000,000    
Options exercisable, weighted average exercise price $ 0.14    
$0.16 - $1.00 [Member]      
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]      
Options outstanding 1,349,793    
Options outstanding, weighted average remaining contractual life (Years) 3 years 7 months 2 days    
Options outstanding, weighted average exercise price $ 0.18    
Options exercisable 1,227,001    
Options exercisable, weighted average exercise price $ 0.18