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11. SHAREHOLDERS' EQUITY (Details 3) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Outstanding Warrants	2,049,133	2,155,065	3,318,826
Average Weighted Remaining Contractual Life in Years, Outstanding	3 years 3 months 22 days
Exercisable Warrants	2,049,133
Weighted Average Exercise Price, Exercisable	$ 2.55
$ 0.64
Outstanding Warrants	31,250
Average Weighted Remaining Contractual Life in Years, Outstanding	2 years 10 months 2 days
Exercisable Warrants	31,250
Weighted Average Exercise Price, Exercisable	$ 0.64
$ 0.80
Outstanding Warrants	158,125
Average Weighted Remaining Contractual Life in Years, Outstanding	2 years 9 months 4 days
Exercisable Warrants	158,125
Weighted Average Exercise Price, Exercisable	$ 0.80
$ 0.96
Outstanding Warrants	473,958
Average Weighted Remaining Contractual Life in Years, Outstanding	1 year 11 months 16 days
Exercisable Warrants	473,958
Weighted Average Exercise Price, Exercisable	$ 0.96
$ 1.12
Outstanding Warrants	6,250
Average Weighted Remaining Contractual Life in Years, Outstanding	3 years 3 months 18 days
Exercisable Warrants	6,250
Weighted Average Exercise Price, Exercisable	$ 1.12
$ 1.20
Outstanding Warrants	175,000
Average Weighted Remaining Contractual Life in Years, Outstanding	3 years 1 month 17 days
Exercisable Warrants	175,000
Weighted Average Exercise Price, Exercisable	$ 1.20
$ 1.36
Outstanding Warrants	1,250
Average Weighted Remaining Contractual Life in Years, Outstanding	1 year 9 months 25 days
Exercisable Warrants	1,250
Weighted Average Exercise Price, Exercisable	$ 1.36
$ 2.16
Outstanding Warrants	31,250
Average Weighted Remaining Contractual Life in Years, Outstanding	1 year
Exercisable Warrants	31,250
Weighted Average Exercise Price, Exercisable	$ 2.16
$ 2.32
Outstanding Warrants	523,061
Average Weighted Remaining Contractual Life in Years, Outstanding	1 year 1 month 28 days
Exercisable Warrants	523,061
Weighted Average Exercise Price, Exercisable	$ 2.32
$ 2.40
Outstanding Warrants	137,500
Average Weighted Remaining Contractual Life in Years, Outstanding	1 month 20 days
Exercisable Warrants	137,500
Weighted Average Exercise Price, Exercisable	$ 2.40
$ 2.56
Outstanding Warrants	31,250
Average Weighted Remaining Contractual Life in Years, Outstanding	9 months
Exercisable Warrants	31,250
Weighted Average Exercise Price, Exercisable	$ 2.56
$ 3.36
Outstanding Warrants	31,250
Average Weighted Remaining Contractual Life in Years, Outstanding	6 months
Exercisable Warrants	31,250
Weighted Average Exercise Price, Exercisable	$ 3.36
$ 4.00
Outstanding Warrants	60,000
Average Weighted Remaining Contractual Life in Years, Outstanding	4 years 7 months 6 days
Exercisable Warrants	60,000
Weighted Average Exercise Price, Exercisable	$ 4.00
$ 4.40
Outstanding Warrants	12,500
Average Weighted Remaining Contractual Life in Years, Outstanding	1 month 2 days
Exercisable Warrants	12,500
Weighted Average Exercise Price, Exercisable	$ 4.40
$ 6.95
Outstanding Warrants	375,000
Average Weighted Remaining Contractual Life in Years, Outstanding	9 years 9 months
Exercisable Warrants	375,000
Weighted Average Exercise Price, Exercisable	$ 6.95
$ 8.40
Outstanding Warrants	1,488
Average Weighted Remaining Contractual Life in Years, Outstanding	2 years 7 months 17 days
Exercisable Warrants	1,488
Weighted Average Exercise Price, Exercisable	$ 8.40

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