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7. STOCKHOLDERS' EQUITY (Details 3)
 12 Months Ended
Dec. 31, 2018
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 26,550,611
Average Weighted Remaining Contractual Life in Years, Warrant 2 years 2 months 26 days
Exercisable Warrants, Number 26,550,611
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.34
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 10 months 20 days
Exercisable Warrants, Number 250,000
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.08
0.1 Range [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 265,000
Average Weighted Remaining Contractual Life in Years, Warrant 3 years 6 months 11 days
Exercisable Warrants, Number 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 3,500,000
Average Weighted Remaining Contractual Life in Years, Warrant 3 years 11 months 23 days
Exercisable Warrants, Number 3,500,000
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 9 months 15 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 9 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 3 years
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 9 months 18 days
Exercisable Warrants, Number 10,125,613
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.29
0.3 Range [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding warrants, Number 3,300,000
Average Weighted Remaining Contractual Life in Years, Warrant 1 year 2 months 1 day
Exercisable Warrants, Number 3,300,000
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 9 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 6 months
Exercisable Warrants, Number 250,000
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.42
0.5 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 $ 0.50
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 2 years 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 1 year 2 months 19 days
Exercisable Warrants, Number 999,998
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 0.69
1 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 4 months 2 days
Exercisable Warrants, Number 3,000,000
Weighted Average Exercise Price, Exercisable Warrants | $ / shares $ 1.00