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9. STOCKHOLDERS' EQUITY (Details 3)
3 Months Ended
Mar. 31, 2019
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 26,800,611
Average Weighted Remaining Contractual Life in Years, Warrant 1 year 9 months 22 days
Exercisable Warrants, Number 26,800,611
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.33
0.08 Range [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 250,000
Average Weighted Remaining Contractual Life in Years, Warrant 4 years 7 months 24 days
Exercisable Warrants, Number 250,000
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.08
0.10 Range [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 1,265,000
Average Weighted Remaining Contractual Life in Years, Warrant 4 years 6 months 4 days
Exercisable Warrants, Number 1,265,000
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.10
0.12 Range [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 3,750,000
Average Weighted Remaining Contractual Life in Years, Warrant 3 years 8 months 1 day
Exercisable Warrants, Number 3,750,000
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.12
0.12 Range [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 4,000,000
Average Weighted Remaining Contractual Life in Years, Warrant 6 months 14 days
Exercisable Warrants, Number 4,000,000
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.12
0.17 Range [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 10,000
Average Weighted Remaining Contractual Life in Years, Warrant 3 years 6 months 25 days
Exercisable Warrants, Number 10,000
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.17
0.27 Range [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 250,000
Average Weighted Remaining Contractual Life in Years, Warrant 2 years 9 months
Exercisable Warrants, Number 250,000
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.27
0.29 Range [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 10,125,613
Average Weighted Remaining Contractual Life in Years, Warrant 1 year 6 months 18 days
Exercisable Warrants, Number 10,125,613
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.29
0.30 Range [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 2,300,000
Average Weighted Remaining Contractual Life in Years, Warrant 1 year 4 months 20 days
Exercisable Warrants, Number 2,300,000
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.30
0.32 Range [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 250,000
Average Weighted Remaining Contractual Life in Years, Warrant 2 years 6 months
Exercisable Warrants, Number 250,000
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.32
0.42 Range [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 250,000
Average Weighted Remaining Contractual Life in Years, Warrant 2 years 3 months
Exercisable Warrants, Number 250,000
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.42
0.50 Range [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 250,000
Average Weighted Remaining Contractual Life in Years, Warrant 2 years
Exercisable Warrants, Number 250,000
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.50
0.55 Range [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 100,000
Average Weighted Remaining Contractual Life in Years, Warrant 1 year 2 months 29 days
Exercisable Warrants, Number 100,000
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.55
0.69 Range [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 999,998
Average Weighted Remaining Contractual Life in Years, Warrant 11 months 19 days
Exercisable Warrants, Number 999,998
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.69
1.00 Range [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 3,000,000
Average Weighted Remaining Contractual Life in Years, Warrant 1 year 1 month 2 days
Exercisable Warrants, Number 3,000,000
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 1.00