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9. STOCKHOLDERS' EQUITY (Details 3)
 12 Months Ended
Dec. 31, 2019
$ / shares
shares
Outstanding warrants, number 17,240,523
Average weighted remaining contractual life in years, warrant 1 year 9 months 22 days
Exercisable warrants, number 17,240,523
Weighted average exercise price, exercisable warrants | $ / shares $ 0.39
0.08 Range  
Outstanding warrants, number 250,000
Average weighted remaining contractual life in years, warrant 3 years 10 months 24 days
Exercisable warrants, number 250,000
Weighted average exercise price, exercisable warrants | $ / shares $ 0.08
0.10 Range  
Outstanding warrants, number 1,265,000
Average weighted remaining contractual life in years, warrant 3 years 9 months 4 days
Exercisable warrants, number 1,265,000
Weighted average exercise price, exercisable warrants | $ / shares $ 0.10
0.12 Range  
Outstanding warrants, number 3,750,000
Average weighted remaining contractual life in years, warrant 2 years 11 months 1 day
Exercisable warrants, number 3,750,000
Weighted average exercise price, exercisable warrants | $ / shares $ 0.12
0.14 Range  
Outstanding warrants, number 50,000
Average weighted remaining contractual life in years, warrant 4 years 3 months 18 days
Exercisable warrants, number 50,000
Weighted average exercise price, exercisable warrants | $ / shares $ 0.14
0.17 Range  
Outstanding warrants, number 10,000
Average weighted remaining contractual life in years, warrant 2 years 9 months 25 days
Exercisable warrants, number 10,000
Weighted average exercise price, exercisable warrants | $ / shares $ 0.17
0.27 Range  
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 $ 0.27
0.29 Range  
Outstanding warrants, number 4,615,525
Average weighted remaining contractual life in years, warrant 2 years 1 month 28 days
Exercisable warrants, number 4,615,525
Weighted average exercise price, exercisable warrants | $ / shares $ 0.29
0.30 Range  
Outstanding warrants, number 2,200,000
Average weighted remaining contractual life in years, warrant 8 months 1 day
Exercisable warrants, number 2,200,000
Weighted average exercise price, exercisable warrants | $ / shares $ 0.30
0.32 Range  
Outstanding warrants, number 250,000
Average weighted remaining contractual life in years, warrant 1 year 9 months
Exercisable warrants, number 250,000
Weighted average exercise price, exercisable warrants | $ / shares $ 0.32
0.42 Range  
Outstanding warrants, number 250,000
Average weighted remaining contractual life in years, warrant 1 year 6 months
Exercisable warrants, number 250,000
Weighted average exercise price, exercisable warrants | $ / shares $ 0.42
0.50 Range  
Outstanding warrants, number 250,000
Average weighted remaining contractual life in years, warrant 1 year 3 months
Exercisable warrants, number 250,000
Weighted average exercise price, exercisable warrants | $ / shares $ 0.50
0.55 Range  
Outstanding warrants, number 100,000
Average weighted remaining contractual life in years, warrant 1 year 29 days
Exercisable warrants, number 100,000
Weighted average exercise price, exercisable warrants | $ / shares $ 0.55
0.69 Range  
Outstanding warrants, number 999,998
Average weighted remaining contractual life in years, warrant 2 months 19 days
Exercisable warrants, number 999,998
Weighted average exercise price, exercisable warrants | $ / shares $ 0.69
1.00 Range  
Outstanding warrants, number 3,000,000
Average weighted remaining contractual life in years, warrant 4 months 2 days
Exercisable warrants, number 3,000,000
Weighted average exercise price, exercisable warrants | $ / shares $ 1.00